PT-2021-3259 · Cisco · Cisco Anyconnect Secure Mobility Client

Gerbert Roitburd · Published 2021-05-05 · Updated 2021-05-07 · CVE-2021-1519

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:H/A:N

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

Description A vulnerability in the interprocess communication (IPC) channel could allow an authenticated, local attacker to overwrite VPN profiles on an affected device. The issue is due to insufficient validation of user-supplied input. An attacker could exploit this by sending a crafted IPC message to the AnyConnect process, potentially modifying VPN profile files. The attacker must have valid credentials on the affected system to exploit this issue.

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:2021-02992

CVE-2021-1519

Affected Products

Cisco Anyconnect Secure Mobility Client

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-1519 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1519 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-profile-AggMUCDg · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02992 · Security Note
• https://t.me/cvenotify/14119 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021050617 · Note