Vulnerability in Cisco Anyconnect Secure Mobility Client
CVE-2018-0334
A vulnerability in the certificate management subsystem of Cisco AnyConnect Network Access Manager and of Cisco AnyConnect Secure Mobility Client for iOS, Mac OS X, Android, Windows, and Linux could allow an unauthenticated, remote attacker to bypass the TLS certificate check when downloading certain configuration files. The vulnerability is due to improper use of Simple Certificate Enrollment Protocol and improper server certificate validation. An attacker could exploit this vulnerability by preparing malicious profile and localization files for Cisco AnyConnect to use. A successful exploit could allow the attacker to remotely change the configuration profile, a certificate, or the localization data used by AnyConnect Secure Mobility Client. Cisco Bug IDs: CSCvh23141.
Vulnerability class: Improper Certificate Validation
EPSS: 0.010 (58.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Cisco Anyconnect_secure_mobility_client — versions 4.6\(100\)
- N/a Cisco Anyconnect Secure Mobility Client Unknown — versions Cisco AnyConnect Secure Mobility Client unknown
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-0334?
- CVE-2018-0334 is a medium-severity vulnerability in Cisco Anyconnect Secure Mobility Client, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2018-06-07.
- How severe is CVE-2018-0334?
- Medium severity. CVSS v3 base score is 4.8 out of 10.