How severe is CVE-2012-0352?

CVE-2012-0352 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2012-0352 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0352?

CVE-2012-0352 primarily affects Cisco Nx-os. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0352?

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-2012-0352 published?

CVE-2012-0352 was published on 2012-02-16 and last updated on 2026-06-16.

CVE-2012-0352

CVE-2012-0352 is a high-severity vulnerability in Cisco Nx-os 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Nx-os
Published: 2012-02-16
Last modified: 2026-06-16

Description

Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches; 4.x and 5.0.x before 5.0(2)N1(1) on Nexus 5000 series switches; and 4.2.x before 4.2.8, 5.0.x before 5.0.5, and 5.1.x before 5.1.1 on Nexus 7000 series switches allows remote attackers to cause a denial of service (netstack process crash and device reload) via a malformed IP packet, aka Bug IDs CSCti23447, CSCti49507, and CSCtj01991.

Frequently asked questions

What is CVE-2012-0352?: Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches; 4.x and 5.0.x before 5.0(2)N1(1) on Nexus 5000 series switches; and 4.2.x before 4.2.8, 5.0.x before 5.0.5, and 5.1.x before 5.1.1 on Nexus 7000 series switches allows remote attackers to cause a denial of service (netstack process crash and device reload) via a malformed IP packet, aka Bug IDs CSCti23447, CSCti49507, and CSCtj01991.
How severe is CVE-2012-0352?: CVE-2012-0352 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2012-0352 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0352?: CVE-2012-0352 primarily affects Cisco Nx-os. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0352?: 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-2012-0352 published?: CVE-2012-0352 was published on 2012-02-16 and last updated on 2026-06-16.

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120215-nxos

Affected products (65)

cpe:2.3:o:cisco:nx-os:4.0\(0\)n1\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(0\)n1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(0\)n1\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(1a\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(1a\)n1\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(1a\)n2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(1a\)n2\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3d\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1\(3\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1\(3\)n1\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1\(3\)n2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1\(3\)n2\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(1\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(1\)n2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(1\)n2\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_1000v:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(2\)n2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(2\)n2\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n1\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n1\(1b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n1\(1c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n2\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)n2\(2b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.1\(3\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.1\(3\)n1\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_5000:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_5010:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_5020:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_5548p:-:*:*:*:*:*:*:*

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