CVE-2023-29300 (GCVE-0-2023-29300)

Vulnerability from cvelistv5 – Published: 2023-07-12 15:46 – Updated: 2025-10-21 23:05
VLAI CISA Previdian
Title
Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution
Summary
Adobe ColdFusion versions 2018u16 (and earlier), 2021u6 (and earlier) and 2023.0.0.330468 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-08 17:03 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data (CWE-502)
Assigner
References
Impacted products
Vendor Product Version
Adobe ColdFusion Affected: 0 , ≤ 2023.0.0.330468 (semver)
Create a notification for this product.
Date Public
2023-07-11 17:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 8f80e83b-67a3-4b3e-8b02-8e4f0828f11a

Vulnerability ID: CVE-2023-29300

Status: Confirmed

Status Updated: 2024-01-08 01:00 CET

Exploited: Yes

Timestamps
First Seen: 2024-01-08
Asserted: 2024-01-08
Scope
Notes: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability | Affected: Adobe / ColdFusion | Description: Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for code execution. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-01-29 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://helpx.adobe.com/security/products/coldfusion/apsb23-40.html; https://nvd.nist.gov/vuln/detail/CVE-2023-29300
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-502
Feed CISA Known Exploited Vulnerabilities Catalog
Product ColdFusion
Due Date 2024-01-29
Date Added 2024-01-08
Vendorproject Adobe
Vulnerabilityname Adobe ColdFusion Deserialization of Untrusted Data Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-10-02 08:09 CEST | Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e2db9ca7-ced6-4f4a-bab5-88a602041d43

Vulnerability ID: CVE-2023-29300

Status: Confirmed

Status Updated: 2024-01-08 01:00 CET

Exploited: Yes

Timestamps
First Seen: 2024-01-08
Asserted: 2024-01-08
Scope
Notes: Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution | Affected: Adobe / ColdFusion | CVSS: 9.8 (CRITICAL) | EPSS: 0.99991 | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution
Cve Id CVE-2023-29300
Vendor Adobe
Ghsa Id None
Product ColdFusion
Added Date 2024-01-08T00:00:00.000Z
Cvss Score 9.8
Epss Score 0.99991
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.99986
Used In Malware yes
Vulnerability Id CVE-2023-29300
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-10-02 09:11 CEST | Updated: 2026-10-02 09:11 CEST
Show details on NVD website
To clipboard 

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                "modifiedConfidentialityImpact": "HIGH",
                "modifiedIntegrityImpact": "HIGH",
                "modifiedPrivilegesRequired": "NONE",
                "modifiedScope": "NOT_DEFINED",
                "modifiedUserInteraction": "NONE",
                "privilegesRequired": "NONE",
                "remediationLevel": "NOT_DEFINED",
                "reportConfidence": "NOT_DEFINED",
                "scope": "UNCHANGED",
                "temporalScore": 9.8,
                "temporalSeverity": "CRITICAL",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-502",
                  "description": "Deserialization of Untrusted Data (CWE-502)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-07-12T15:46:08.686Z",
            "orgId": "078d4453-3bcd-4900-85e6-15281da43538",
            "shortName": "adobe"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://helpx.adobe.com/security/products/coldfusion/apsb23-40.html"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
        "assignerShortName": "adobe",
        "cveId": "CVE-2023-29300",
        "datePublished": "2023-07-12T15:46:08.686Z",
        "dateReserved": "2023-04-04T20:46:42.578Z",
        "dateUpdated": "2025-10-21T23:05:42.860Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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.