Information disclosure in Cisco Systems, Inc products - CVE-2023-36673

Vulnerability identifier: #VU79273

CSH Severity: Medium

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2023-36673

CWE-ID: CWE-200

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
Cisco Secure Client AnyConnect VPN for iOS
Cisco AnyConnect Secure Mobility Client for Linux
Cisco AnyConnect Secure Mobility Client for MacOS
Cisco AnyConnect Secure Mobility Client for Windows
Cisco Secure Client for Linux
Cisco Secure Client for MacOS
Cisco Secure Client for Windows

Software vendor:
Cisco Systems, Inc

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected application is vulnerable to ServerIP attacks. A remote attacker on the local network can manipulate routing exceptions and cause VPN clients to leak traffic outside the protected VPN tunnel.

Install updates from vendor's website.

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-leak-Sew6g2kd