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CVE-2015-6305

7.2 · HIGH

Untrusted search path vulnerability in the CMainThread::launchDownloader function in vpndownloader.exe in Cisco AnyConnect Secure Mobility Client 2.0 through 4.1 on Windows allows local users to ga…

Published Sep 26, 2015ciscoCWE-426EPSS 1.20%

Overview

CVE-2015-6305 is a high-severity vulnerability affecting cisco anyconnect_secure_mobility_client. It was published on September 26, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Untrusted search path vulnerability in the CMainThread::launchDownloader function in vpndownloader.exe in Cisco AnyConnect Secure Mobility Client 2.0 through 4.1 on Windows allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by dbghelp.dll, aka Bug ID CSCuv01279. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-4211.

Remediation

Check the references section for vendor advisories and patches from cisco. Update anyconnect_secure_mobility_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refpacketstormsecurity.com/files/133876/Cisco-AnyConnect-Secure-Mobility-Client-3.1.08009-Privilege-Elevation.htmlRefseclists.org/fulldisclosure/2015/Sep/80Reftools.cisco.com/security/center/viewAlert.x?alertId=41136Refwww.securitytracker.com/id/1033643Refcode.google.com/p/google-security-research/issues/detail?id=460Refwww.exploit-db.com/exploits/38289/Refpacketstormsecurity.com/files/133876/Cisco-AnyConnect-Secure-Mobility-Client-3.1.08009-Privilege-Elevation.htmlRefseclists.org/fulldisclosure/2015/Sep/80Reftools.cisco.com/security/center/viewAlert.x?alertId=41136Refwww.securitytracker.com/id/1033643

How CyberStrike helps

Frequently asked questions

What is CVE-2015-6305?

CVE-2015-6305 is a high-severity vulnerability affecting cisco anyconnect_secure_mobility_client. It was published on September 26, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2015-6305?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-6305?

Check the references section for vendor advisories and patches from cisco. Update anyconnect_secure_mobility_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-6305?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-6305 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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