Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Access Control Bypass Vulnerability (Cisco Cisco Adaptive Security Appliance (ASA) Software)

CVE-2025-20219
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 0.38 % · percentile 32 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Deferred

Description

A vulnerability in the implementation of access control rules for loopback interfaces in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to send traffic that should have been blocked to a loopback interface. This vulnerability is due to improper enforcement of access control rules for loopback interfaces. An attacker could exploit this vulnerability by sending traffic to a loopback interface on an affected device. A successful exploit could allow the attacker to bypass configured access control rules and send traffic that should have been blocked to a loopback interface on the device.

Weaknesses (CWE)

  • CWE-284 — Improper Access Control

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Ncisco
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NNVD · psirt@cisco.com (Secondary)

European references

Affected products

ProductVersions
Cisco · Cisco Adaptive Security Appliance (ASA) Softwareaffected 9.18.2 ; affected 9.18.2.5 ; affected 9.18.2.7 ; affected 9.19.1 ; affected 9.18.2.8 ; affected 9.18.3
Cisco · Cisco Firepower Threat Defense Softwareaffected 7.3.0 ; affected 7.3.1 ; affected 7.3.1.1 ; affected 7.4.0 ; affected 7.4.1 ; affected 7.4.1.1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD