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EUVD-2026-7943

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 05:56

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.

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{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T05:56:40.222829+00:00",
  "id": "EUVD-2026-7943"
}

CVE-2023-20190 (GCVE-0-2023-20190)

Vulnerability from cvelistv5 – Published: 2023-09-13 16:43 – Updated: 2024-08-02 09:05

Summary

A vulnerability in the classic access control list (ACL) compression feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. This vulnerability is due to incorrect destination address range encoding in the compression module of an ACL that is applied to an interface of an affected device. An attacker could exploit this vulnerability by sending traffic through the affected device that should be denied by the configured ACL. A successful exploit could allow the attacker to bypass configured ACL protections on the affected device, allowing the attacker to access trusted networks that the device might be protecting. There are workarounds that address this vulnerability. This advisory is part of the September 2023 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication .

Severity

5.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CWE

CWE-264 - Permissions, Privileges, and Access Control

Assigner

cisco mitre root Scorecard

References

1 reference

URL	Tags
https://sec.cloudapps.cisco.com/security/center/c…

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco IOS XR Software	Affected: 5.2.0 Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T09:05:35.387Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "name": "cisco-sa-comp3acl-vGmp6BQ3",
            "tags": [
              "x_transferred"
            ],
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-comp3acl-vGmp6BQ3"
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        "title": "CVE Program Container"
      }
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              "version": "5.2.47"
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              "version": "5.3.0"
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            {
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            {
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              "version": "6.5.32"
            },
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              "status": "affected",
              "version": "6.5.33"
            },
            {
              "status": "affected",
              "version": "6.6.2"
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            {
              "status": "affected",
              "version": "6.6.3"
            },
            {
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            {
              "status": "affected",
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            {
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              "status": "affected",
              "version": "7.3.15"
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            {
              "status": "affected",
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        }
      ],
      "exploits": [
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        }
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    "dateReserved": "2022-10-27T18:47:50.364Z",
    "dateUpdated": "2024-08-02T09:05:35.387Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

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EUVD-2026-7943

CVE-2023-20190 (GCVE-0-2023-20190)

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