How severe is CVE-2012-0355?

CVE-2012-0355 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2012-0355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0355?

CVE-2012-0355 primarily affects Cisco Adaptive Security Appliance Software. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0355?

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-2012-0355 published?

CVE-2012-0355 was published on 2012-03-15 and last updated on 2026-06-16.

CVE-2012-0355

CVE-2012-0355 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Adaptive Security Appliance Software
Published: 2012-03-15
Last modified: 2026-06-16

Description

Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.4 before 8.4(2.11) and 8.5 before 8.5(1.4) allow remote attackers to cause a denial of service (device reload) via (1) IPv4 or (2) IPv6 packets that trigger syslog message 305006, aka Bug ID CSCts39634.

Frequently asked questions

What is CVE-2012-0355?: Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.4 before 8.4(2.11) and 8.5 before 8.5(1.4) allow remote attackers to cause a denial of service (device reload) via (1) IPv4 or (2) IPv6 packets that trigger syslog message 305006, aka Bug ID CSCts39634.
How severe is CVE-2012-0355?: CVE-2012-0355 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2012-0355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0355?: CVE-2012-0355 primarily affects Cisco Adaptive Security Appliance Software. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0355?: 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-2012-0355 published?: CVE-2012-0355 was published on 2012-03-15 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1.11\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2.11\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1.4\):*:*:*:*:*:*:*
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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