CVE-2023-20269 — Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability
2023-09-13 • CISA Known Exploited Vulnerability
[event] 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.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Cisco |
| Product | Adaptive Security Appliance and Firepower Threat Defense |
| CWE | CWE-288 |
| CVE ID | CVE-2023-20269 |
| Date Added | 2023-09-13 |
| Due Date | 2023-10-04 |
| Ransomware Campaign | Known — this vulnerability has been leveraged in ransomware campaigns |
> MITIGATION
Apply mitigations per vendor instructions for group-lock and vpn-simultaneous-logins or discontinue use of the product for unsupported devices.
Due Date: 2023-10-04