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:
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
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.