How severe is CVE-2011-2678?

CVE-2011-2678 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-2678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2678?

CVE-2011-2678 primarily affects Cisco Vpn Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2678?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-2678 published?

CVE-2011-2678 was published on 2011-07-07 and last updated on 2026-06-16.

CVE-2011-2678

CVE-2011-2678 is a medium-severity vulnerability in Cisco Vpn Client with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Vpn Client
Published: 2011-07-07
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2011-2678?: 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.
How severe is CVE-2011-2678?: CVE-2011-2678 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-2678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2678?: CVE-2011-2678 primarily affects Cisco Vpn Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2678?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2678 published?: CVE-2011-2678 was published on 2011-07-07 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:cisco:vpn_client:5.0.7.0240:*:*:*:*:*:*:*
cpe:2.3:a:cisco:vpn_client:5.0.7.0290:*:*:*:*:*:*:*

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