PT-2021-2147 · Cisco · Cisco Anyconnect Secure Mobility Client

Gerbert Roitburd · Published 2021-02-24 · Updated 2021-09-08 · CVE-2021-1450

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco AnyConnect Secure Mobility Client (affected versions not specified)

Description A vulnerability in the interprocess communication (IPC) channel could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending one or more crafted IPC messages to the AnyConnect process on an affected device. A successful exploit could allow the attacker to stop the AnyConnect process, causing a DoS condition on the device. Note that the process under attack will automatically restart so no action is needed by the user or admin.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-01007

CVE-2021-1450

Affected Products

Cisco Anyconnect Secure Mobility Client

References · 6

• https://bdu.fstec.ru/vul/2021-01007 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1450 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dos-55AYyxYr · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1450 · Security Note
• https://t.me/cibsecurity/24099 · Telegram Post
• https://t.me/cvenotify/10710 · Telegram Post