How severe is CVE-2012-2499?

CVE-2012-2499 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2012-2499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2499?

CVE-2012-2499 primarily affects Cisco Anyconnect Secure Mobility Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2499?

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

When was CVE-2012-2499 published?

CVE-2012-2499 was published on 2012-08-06 and last updated on 2026-06-16.

CVE-2012-2499

CVE-2012-2499 is a medium-severity vulnerability in Cisco Anyconnect Secure Mobility Client with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Cisco Anyconnect Secure Mobility Client
Published: 2012-08-06
Last modified: 2026-06-16

Description

The IPsec implementation in Cisco AnyConnect Secure Mobility Client 3.0 before 3.0.08057 does not verify the certificate name in an X.509 certificate, which allows man-in-the-middle attackers to spoof servers via a crafted certificate, aka Bug ID CSCtz26985.

Frequently asked questions

What is CVE-2012-2499?: The IPsec implementation in Cisco AnyConnect Secure Mobility Client 3.0 before 3.0.08057 does not verify the certificate name in an X.509 certificate, which allows man-in-the-middle attackers to spoof servers via a crafted certificate, aka Bug ID CSCtz26985.
How severe is CVE-2012-2499?: CVE-2012-2499 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2012-2499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2499?: CVE-2012-2499 primarily affects Cisco Anyconnect Secure Mobility Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2499 published?: CVE-2012-2499 was published on 2012-08-06 and last updated on 2026-06-16.

References

http://www.cisco.com/en/US/docs/security/vpn_client/anyconnect/anyconnect30/release/notes/anyconnect30rn.html

Affected products (3)

cpe:2.3:a:cisco:anyconnect_secure_mobility_client:3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:3.0.0629:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:3.0.07059:*:*:*:*:*:*:*

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