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CVE-2023-20269 — Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability

provenance: imported · CVE: CVE-2023-20269

CVE-2023-20269: Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability

CISA Known Exploited Vulnerability (KEV)

Vendor / project Cisco
Product Adaptive Security Appliance and Firepower Threat Defense
Date added 2023-09-13
Due date 2023-10-04
Ransomware campaign use Known

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.

Required action (CISA)

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

Notes

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

References

  • NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-20269
  • KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog