National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-0334 Detail

Current 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.

Source:  MITRE
Description Last Modified:  06/07/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.8 MEDIUM
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N (V3 legend)
Impact Score: 2.5
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/104430 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041075 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-AnyConnect-cert-bypass Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Certificate Validation (CWE-295)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0334
NVD Published Date:
06/07/2018
NVD Last Modified:
07/20/2018