CVE-2022-20928
A vulnerability in the authentication and authorization flows for VPN connections in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to establish a connection as a different user. This vulnerability is due to a flaw in the authorization verifications during the VPN authentication flow. An attacker could exploit this vulnerability by sending a crafted packet during a VPN authentication. The attacker must have valid credentials to establish a VPN connection. A successful exploit could allow the attacker to establish a VPN connection with access privileges from a different user.
EPSS 0.16% · 36.1th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Firepower Threat Defense Software | 6.2.3.2, 6.2.3.5, 6.2.3.6 |
| Cisco | Cisco FirePOWER Services Software for ASA | * |
| cisco | adaptive_security_appliance_software | 9.8.2.17, 9.8.2.20, 9.8.2.24 |
| cisco | firepower_threat_defense | 6.1.0, 6.1.0.1, 6.1.0.2 |
| Cisco | Cisco Adaptive Security Appliance (ASA) Software | 9.8.1, 9.8.1.5, 9.8.1.7 |
Exploit Intelligence
Timeline
- Nov 10, 2022 CVE Published
- Nov 16, 2022 EPSS Score
- Dec 29, 2022 EPSS Score
- Feb 10, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 24, 2023 EPSS Score
- May 6, 2023 EPSS Score
- Jun 18, 2023 EPSS Score
- Jul 31, 2023 EPSS Score
- Sep 12, 2023 EPSS Score
- Oct 24, 2023 EPSS Score
- Dec 6, 2023 EPSS Score