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CVE-2011-2678

6.8 · MEDIUM

The Cisco VPN Client 5.0.7.0240 and 5.0.7.0290 on 64-bit Windows platforms uses weak permissions (NT AUTHORITY\INTERACTIVE:F) for cvpnd.exe, which allows local users to gain privileges by replacing…

Published Jul 7, 2011ciscoEPSS 0.36%

Overview

CVE-2011-2678 is a medium-severity vulnerability affecting cisco vpn_client. It was published on July 7, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The Cisco VPN Client 5.0.7.0240 and 5.0.7.0290 on 64-bit Windows platforms uses weak permissions (NT AUTHORITY\INTERACTIVE:F) for cvpnd.exe, which allows local users to gain privileges by replacing this executable file with an arbitrary program, aka Bug ID CSCtn50645. NOTE: this vulnerability exists because of a CVE-2007-4415 regression.

Remediation

Check the references section for vendor advisories and patches from cisco. Update vpn_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

Refisc.sans.edu/diary.html?storyid=11125Refsecurityreason.com/securityalert/8297Refwww.cisco.com/warp/public/707/cisco-sa-20070815-vpnclient.shtmlRefwww.securityfocus.com/archive/1/518638/100/0/threadedRefexchange.xforce.ibmcloud.com/vulnerabilities/68485Refisc.sans.edu/diary.html?storyid=11125Refsecurityreason.com/securityalert/8297Refwww.cisco.com/warp/public/707/cisco-sa-20070815-vpnclient.shtmlRefwww.securityfocus.com/archive/1/518638/100/0/threadedRefexchange.xforce.ibmcloud.com/vulnerabilities/68485

How CyberStrike helps

Frequently asked questions

What is CVE-2011-2678?

CVE-2011-2678 is a medium-severity vulnerability affecting cisco vpn_client. It was published on July 7, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2011-2678?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2011-2678?

Check the references section for vendor advisories and patches from cisco. Update vpn_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-2011-2678?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-2678 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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