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Vulnerability DatabaseCVE-2020-27123

CVE-2020-27123: 
Cisco AnyConnect Secure Client vulnerability analysis and mitigation

Overview

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows was discovered and assigned CVE-2020-27123. This vulnerability affects versions up to (excluding) 4.9.03047 and was disclosed on November 4, 2020. The vulnerability allows an authenticated, local attacker to read arbitrary files on the underlying operating system of an affected device (NVD, CVE).

Technical details

The vulnerability stems from an exposed IPC function in the Cisco AnyConnect Secure Mobility Client. The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. It is also classified under CWE-749 (Exposed Dangerous Method or Function) (NVD).

Impact

A successful exploitation of this vulnerability allows an attacker to read arbitrary files on the underlying operating system of the affected device. The vulnerability only impacts confidentiality (rated as High) while having no impact on integrity or availability of the system (NVD).

Mitigation and workarounds

The vulnerability was addressed in version 4.9.03047 of Cisco AnyConnect Secure Mobility Client for Windows. No workarounds are available for this vulnerability, making it essential to upgrade to a patched version (NVD).

Additional resources

Source: This report was generated using AI

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