CVE-2022-20742 — Missing Cryptographic Step in Cisco Adaptive Security Appliance Software
Severity
7.4HIGHNVD
EPSS
0.1%
top 67.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 3
Latest updateMay 4
Description
A vulnerability in an IPsec VPN library of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to read or modify data within an IPsec IKEv2 VPN tunnel. This vulnerability is due to an improper implementation of Galois/Counter Mode (GCM) ciphers. An attacker in a man-in-the-middle position could exploit this vulnerability by intercepting a sufficient number of encrypted messages across an affected IPsec…
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 2.2 | Impact: 5.2
Affected Packages3 packages
🔴Vulnerability Details
2GHSA▶
GHSA-m7xj-7gmx-xmr5: A vulnerability in an IPsec VPN library of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could al↗2022-05-04
CVEList▶
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IPsec IKEv2 VPN Information Disclosure Vulnerability↗2022-05-03
📋Vendor Advisories
1Cisco▶
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IPsec IKEv2 VPN Information Disclosure Vulnerability↗2022-04-27