{"cvss":0.0,"datePublished":"2023-09-13","dateUpdated":"2023-09-13","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.","dueDate":"2023-10-04","id":"CVE-2023-20269","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Known","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","product":"Adaptive Security Appliance and Firepower Threat Defense","requiredAction":"Apply mitigations per vendor instructions for group-lock and vpn-simultaneous-logins or discontinue use of the product for unsupported devices.","severity":"CRITICAL","source":"cisa_known_exploited","title":"Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability","vendor":"Cisco"}