#VU79271 Information disclosure in Cisco Systems, Inc products - CVE-2023-36672


Vulnerability identifier: #VU79271

Vulnerability risk: Medium

CVSSv4.0: 4.9 [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-2023-36672

CWE-ID: CWE-200

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Cisco Secure Client AnyConnect VPN for iOS
Mobile applications / Apps for mobile phones
Cisco AnyConnect Secure Mobility Client for Linux
Other software / Other software solutions
Cisco AnyConnect Secure Mobility Client for MacOS
Other software / Other software solutions
Cisco AnyConnect Secure Mobility Client for Windows
Other software / Other software solutions
Cisco Secure Client for Linux
Other software / Other software solutions
Cisco Secure Client for MacOS
Other software / Other software solutions
Cisco Secure Client for Windows
Other software / Other software solutions

Vendor: Cisco Systems, Inc

Description

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

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Secure Client AnyConnect VPN for iOS: All versions

Cisco AnyConnect Secure Mobility Client for Linux: All versions

Cisco AnyConnect Secure Mobility Client for MacOS: All versions

Cisco AnyConnect Secure Mobility Client for Windows: All versions

Cisco Secure Client for Linux: All versions

Cisco Secure Client for MacOS: All versions

Cisco Secure Client for Windows: All versions


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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability