Cyber Resilience

CVE-2021-1496

High

Published: 06 May 2021

Published
06 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0015 34.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1496 is a high-severity Creation of Temporary File With Insecure Permissions (CWE-378) vulnerability in Cisco Anyconnect Secure Mobility Client. Its CVSS base score is 7.0 (High).

Operationally, ranked at the 34.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Multiple vulnerabilities in the install, uninstall, and upgrade processes of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to hijack DLL or executable files that are used by the application. A successful exploit could allow…

more

the attacker to execute arbitrary code on an affected device with SYSTEM privileges. To exploit these vulnerabilities, the attacker must have valid credentials on the Windows system. For more information about these vulnerabilities, see the Details section of this advisory.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
anyconnect secure mobility client
≤ 4.9.03022

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References