How severe is CVE-2012-4659?

CVE-2012-4659 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2012-4659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4659?

CVE-2012-4659 primarily affects Cisco Adaptive Security Appliance Software. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4659?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-4659 published?

CVE-2012-4659 was published on 2012-10-29 and last updated on 2026-06-16.

CVE-2012-4659

CVE-2012-4659 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 7.1. 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-287.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Adaptive Security Appliance Software
Published: 2012-10-29
Last modified: 2026-06-16

Description

The AAA functionality in the IPv4 SSL VPN implementations on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.2 before 8.2(5.30) and 8.3 before 8.3(2.34) allows remote attackers to cause a denial of service (device reload) via a crafted authentication response, aka Bug ID CSCtz04566.

Frequently asked questions

What is CVE-2012-4659?: The AAA functionality in the IPv4 SSL VPN implementations on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.2 before 8.2(5.30) and 8.3 before 8.3(2.34) allows remote attackers to cause a denial of service (device reload) via a crafted authentication response, aka Bug ID CSCtz04566.
How severe is CVE-2012-4659?: CVE-2012-4659 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2012-4659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4659?: CVE-2012-4659 primarily affects Cisco Adaptive Security Appliance Software. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-4659 published?: CVE-2012-4659 was published on 2012-10-29 and last updated on 2026-06-16.

References

Affected products (21)

cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3.9\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6503-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6504-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6506-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6509-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6509-neb-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6513:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:*

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