Vulnerability in Cisco Adaptive Security Appliance (Asa) Software

CVE-2023-20269

A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a brute force attack in an at…

EPSS: 0.012 (79.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply mitigations per vendor instructions for group-lock and vpn-simultaneous-logins or discontinue use of the product for unsupported devices.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-20269?
CVE-2023-20269 is a medium-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.0/10. Published 2023-09-06.
How severe is CVE-2023-20269?
Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2023-20269 known to be exploited?
Yes. CVE-2023-20269 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-09-13), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.