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CVE-2022-20928

Published: 15/11/2022 Updated: 25/01/2024
CVSS v3 Base Score: 5.8 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 0
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Vulnerability Summary

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 malicious user 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 malicious user to establish a VPN connection with access privileges from a different user.

Vulnerability Trend

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Vendor Advisories

Cisco: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software VPN Authorization Bypass Vulnerability
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 ...

References

CWE-863https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-vp-authz-N2GckjN6https://nvd.nist.govhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-vp-authz-N2GckjN6
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2022-48654CVE-2024-2757authentication bypassCVE-2024-3194CVE-2024-33640CVE-2024-21111dosinsecure direct object referenceCVE-2024-21345
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