Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access
What to do
Apply mitigations per vendor instructions for group-lock and vpn-simultaneous-logins or discontinue use of the product for unsupported devices.
CISA deadline 2023-10-04 · passed 2 years 11 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Cisco Adaptive Security Appliance and Firepower Threat Defense. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-288.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 2 years 11 months ago
Sources
- NVD entry for CVE-2023-20269 nvd.nist.gov/vuln/detail/CVE-2023-20269
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- sec.cloudapps.cisco.com sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ravpn-auth-8LyfCkeC
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2023-20269