CVE-2023-20269

unknown KEV

Published 2023-09-13 · Modified 2023-09-13

CVSS v3

—

CVSS v2

—

VIR risk

1.5

Description

Cisco Adaptive Security Appliance and Firepower Threat Defense contain an unauthorized access vulnerability that could allow an unauthenticated, remote attacker to conduct a brute force attack in an attempt to identify valid username and password combinations or establish a clientless SSL VPN session with an unauthorized user.

CISA KEV

Vendor: Cisco
Product: Adaptive Security Appliance and Firepower Threat Defense
Due date: 2023-10-04

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ravpn-auth-8LyfCkeC; https://nvd.nist.gov/vuln/detail/CVE-2023-20269

Exploits

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ravpn-auth-8LyfCkeC; https://nvd.nist.gov/vuln/detail/CVE-2023-20269

Verify integrity in audit chain (admin only). AS-IS.