Read the docs
TI-2021-00967 Aliases CVE-2021-1240GHSA-x7jf-9rq8-cf6r

Cisco Proximity Desktop for Windows DLL Hijacking Vulnerability

Priority LOW 34CWE-427Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-427.

Summary

A vulnerability in the loading process of specific DLLs in Cisco Proximity Desktop for Windows could allow an authenticated, local attacker to load a malicious library. To exploit this vulnerability, the attacker must have valid credentials on the Windows system. This vulnerability is due to incorrect handling of directory paths at run time. An attacker could exploit this vulnerability by placing a malicious DLL file in a specific location on the targeted system. This file will execute when the vulnerable application launches. A successful exploit could allow the attacker to execute arbitrary code on the targeted system with the privileges of another user’s account.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00954 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Proximityall versions—No fix listedCNA
  • Cisco Proximity VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:proximity:*:*:*:*:*:windows:*:*before 3.1.0VulnerableCisco
  • cpe:2.3:a:cisco:proximity:*:*:*:*:*:windows:*:* Versions before 3.1.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-1240
  2. 2026-10-03 Alias added: GHSA-x7jf-9rq8-cf6r

References

Sources