Improper Verification of Cryptographic Signature in Cisco Secure Client for Windows



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-20206
CWE-ID CWE-347
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Cisco Secure Client for Windows
Other software / Other software solutions

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU105375

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20206

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to insufficient validation of resources that are loaded by the application at run time within the interprocess communication (IPC) channel. A local user can send a specially crafted IPC message and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Secure Client for Windows: before 5.1.8.105

CPE2.3 External links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-dll-injection-AOyzEqSg


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###