Vulnerability-Lookup

EUVD-2026-113984

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 06:30

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T06:30:58.265959+00:00",
  "id": "EUVD-2026-113984"
}

CVE-2011-0411 (GCVE-0-2011-0411)

Vulnerability from cvelistv5 – Published: 2011-03-16 22:00 – Updated: 2024-08-06 21:51

Summary

The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack.

Severity

No CVSS data available.

CWE

Assigner

certcc mitre root Scorecard

References

24 references

URL	Tags
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
http://www.postfix.org/CVE-2011-0411.html	x_refsource_CONFIRM
http://secunia.com/advisories/43646	third-party-advisoryx_refsource_SECUNIA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.osvdb.org/71021	vdb-entryx_refsource_OSVDB
http://www.vupen.com/english/advisories/2011/0752	vdb-entryx_refsource_VUPEN
http://www.vupen.com/english/advisories/2011/0891	vdb-entryx_refsource_VUPEN
http://security.gentoo.org/glsa/glsa-201206-33.xml	vendor-advisoryx_refsource_GENTOO
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://secunia.com/advisories/43874	third-party-advisoryx_refsource_SECUNIA
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://www.kb.cert.org/vuls/id/MORO-8ELH6Z	x_refsource_CONFIRM
http://lists.apple.com/archives/Security-announce…	vendor-advisoryx_refsource_APPLE
http://www.vupen.com/english/advisories/2011/0611	vdb-entryx_refsource_VUPEN
http://www.securityfocus.com/bid/46767	vdb-entryx_refsource_BID
http://www.redhat.com/support/errata/RHSA-2011-04…	vendor-advisoryx_refsource_REDHAT
http://www.kb.cert.org/vuls/id/555316	third-party-advisoryx_refsource_CERT-VN
http://securitytracker.com/id?1025179	vdb-entryx_refsource_SECTRACK
http://www.redhat.com/support/errata/RHSA-2011-04…	vendor-advisoryx_refsource_REDHAT
http://support.apple.com/kb/HT5002	x_refsource_CONFIRM
http://kb.juniper.net/InfoCenter/index?page=conte…	x_refsource_CONFIRM
http://www.debian.org/security/2011/dsa-2233	vendor-advisoryx_refsource_DEBIAN
http://www.openwall.com/lists/oss-security/2021/08/10/2	mailing-listx_refsource_MLIST

Date Public

2011-03-03 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T21:51:08.944Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html"
          },
          {
            "name": "multiple-starttls-command-execution(65932)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65932"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.postfix.org/CVE-2011-0411.html"
          },
          {
            "name": "43646",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/43646"
          },
          {
            "name": "SUSE-SR:2011:009",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html"
          },
          {
            "name": "71021",
            "tags": [
              "vdb-entry",
              "x_refsource_OSVDB",
              "x_transferred"
            ],
            "url": "http://www.osvdb.org/71021"
          },
          {
            "name": "ADV-2011-0752",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0752"
          },
          {
            "name": "ADV-2011-0891",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0891"
          },
          {
            "name": "GLSA-201206-33",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "http://security.gentoo.org/glsa/glsa-201206-33.xml"
          },
          {
            "name": "FEDORA-2011-3355",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056560.html"
          },
          {
            "name": "43874",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/43874"
          },
          {
            "name": "FEDORA-2011-3394",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056559.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/MORO-8ELH6Z"
          },
          {
            "name": "APPLE-SA-2011-10-12-3",
            "tags": [
              "vendor-advisory",
              "x_refsource_APPLE",
              "x_transferred"
            ],
            "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
          },
          {
            "name": "ADV-2011-0611",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0611"
          },
          {
            "name": "46767",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/46767"
          },
          {
            "name": "RHSA-2011:0423",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-0423.html"
          },
          {
            "name": "VU#555316",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/555316"
          },
          {
            "name": "1025179",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://securitytracker.com/id?1025179"
          },
          {
            "name": "RHSA-2011:0422",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-0422.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.apple.com/kb/HT5002"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705"
          },
          {
            "name": "DSA-2233",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2011/dsa-2233"
          },
          {
            "name": "[oss-security] 20210810 STARTTLS vulnerabilities",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/08/10/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-03-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-10T11:07:06.000Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html"
        },
        {
          "name": "multiple-starttls-command-execution(65932)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65932"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.postfix.org/CVE-2011-0411.html"
        },
        {
          "name": "43646",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/43646"
        },
        {
          "name": "SUSE-SR:2011:009",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html"
        },
        {
          "name": "71021",
          "tags": [
            "vdb-entry",
            "x_refsource_OSVDB"
          ],
          "url": "http://www.osvdb.org/71021"
        },
        {
          "name": "ADV-2011-0752",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0752"
        },
        {
          "name": "ADV-2011-0891",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0891"
        },
        {
          "name": "GLSA-201206-33",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "http://security.gentoo.org/glsa/glsa-201206-33.xml"
        },
        {
          "name": "FEDORA-2011-3355",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056560.html"
        },
        {
          "name": "43874",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/43874"
        },
        {
          "name": "FEDORA-2011-3394",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056559.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.kb.cert.org/vuls/id/MORO-8ELH6Z"
        },
        {
          "name": "APPLE-SA-2011-10-12-3",
          "tags": [
            "vendor-advisory",
            "x_refsource_APPLE"
          ],
          "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
        },
        {
          "name": "ADV-2011-0611",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0611"
        },
        {
          "name": "46767",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/46767"
        },
        {
          "name": "RHSA-2011:0423",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://www.redhat.com/support/errata/RHSA-2011-0423.html"
        },
        {
          "name": "VU#555316",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/555316"
        },
        {
          "name": "1025179",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://securitytracker.com/id?1025179"
        },
        {
          "name": "RHSA-2011:0422",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://www.redhat.com/support/errata/RHSA-2011-0422.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.apple.com/kb/HT5002"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705"
        },
        {
          "name": "DSA-2233",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2011/dsa-2233"
        },
        {
          "name": "[oss-security] 20210810 STARTTLS vulnerabilities",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/08/10/2"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cert@cert.org",
          "ID": "CVE-2011-0411",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html"
            },
            {
              "name": "multiple-starttls-command-execution(65932)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65932"
            },
            {
              "name": "http://www.postfix.org/CVE-2011-0411.html",
              "refsource": "CONFIRM",
              "url": "http://www.postfix.org/CVE-2011-0411.html"
            },
            {
              "name": "43646",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/43646"
            },
            {
              "name": "SUSE-SR:2011:009",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html"
            },
            {
              "name": "71021",
              "refsource": "OSVDB",
              "url": "http://www.osvdb.org/71021"
            },
            {
              "name": "ADV-2011-0752",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2011/0752"
            },
            {
              "name": "ADV-2011-0891",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2011/0891"
            },
            {
              "name": "GLSA-201206-33",
              "refsource": "GENTOO",
              "url": "http://security.gentoo.org/glsa/glsa-201206-33.xml"
            },
            {
              "name": "FEDORA-2011-3355",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056560.html"
            },
            {
              "name": "43874",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/43874"
            },
            {
              "name": "FEDORA-2011-3394",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056559.html"
            },
            {
              "name": "http://www.kb.cert.org/vuls/id/MORO-8ELH6Z",
              "refsource": "CONFIRM",
              "url": "http://www.kb.cert.org/vuls/id/MORO-8ELH6Z"
            },
            {
              "name": "APPLE-SA-2011-10-12-3",
              "refsource": "APPLE",
              "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
            },
            {
              "name": "ADV-2011-0611",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2011/0611"
            },
            {
              "name": "46767",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/46767"
            },
            {
              "name": "RHSA-2011:0423",
              "refsource": "REDHAT",
              "url": "http://www.redhat.com/support/errata/RHSA-2011-0423.html"
            },
            {
              "name": "VU#555316",
              "refsource": "CERT-VN",
              "url": "http://www.kb.cert.org/vuls/id/555316"
            },
            {
              "name": "1025179",
              "refsource": "SECTRACK",
              "url": "http://securitytracker.com/id?1025179"
            },
            {
              "name": "RHSA-2011:0422",
              "refsource": "REDHAT",
              "url": "http://www.redhat.com/support/errata/RHSA-2011-0422.html"
            },
            {
              "name": "http://support.apple.com/kb/HT5002",
              "refsource": "CONFIRM",
              "url": "http://support.apple.com/kb/HT5002"
            },
            {
              "name": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705",
              "refsource": "CONFIRM",
              "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705"
            },
            {
              "name": "DSA-2233",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2011/dsa-2233"
            },
            {
              "name": "[oss-security] 20210810 STARTTLS vulnerabilities",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/08/10/2"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2011-0411",
    "datePublished": "2011-03-16T22:00:00.000Z",
    "dateReserved": "2011-01-11T00:00:00.000Z",
    "dateUpdated": "2024-08-06T21:51:08.944Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

EUVD-2026-113984

CVE-2011-0411 (GCVE-0-2011-0411)

Tags

Sightings

Nomenclature

Related by attack behaviour