Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Buffer Vulnerability (Cisco Cisco Firepower Threat Defense Software)

CVE-2025-20222
HIGH 8.6

At a glance

Source
NVD
EPSS
EPSS 0.64 % · percentile 51 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Deferred

Description

A vulnerability in the RADIUS proxy feature for the IPsec VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper processing of IPv6 packets. An attacker could exploit this vulnerability by sending IPv6 packets over an IPsec VPN connection to an affected device. A successful exploit could allow the attacker to trigger a reload of the device, resulting in a DoS condition.

Weaknesses (CWE)

  • CWE-120 — Buffer Copy without Checking Size of Input

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hcisco
CVSS 3.1HIGH 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HNVD · psirt@cisco.com (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Cisco · Cisco Firepower Threat Defense Softwareaffected 6.2.3 ; affected 6.2.3.9 ; affected 6.2.3.1 ; affected 6.2.3.2 ; affected 6.2.3.10 ; affected 6.4.0

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
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