CVE-2018-0334

Description

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.

Category

4.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory cisco.com
Affected: n/a Cisco AnyConnect Secure Mobility Client unknown
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/104430 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-AnyConnect-cert-bypass vendor advisory
http://www.securitytracker.com/id/1041075 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-0334?
CVE-2018-0334 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0334?
To fix CVE-2018-0334, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0334 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0334 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0334?
CVE-2018-0334 affects n/a Cisco AnyConnect Secure Mobility Client unknown.
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