How severe is CVE-2012-5445?

CVE-2012-5445 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2012-5445 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5445?

CVE-2012-5445 primarily affects Cisco Skinny Client Control Protocol Software. In total, 156 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5445?

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

When was CVE-2012-5445 published?

CVE-2012-5445 was published on 2012-12-28 and last updated on 2026-06-16.

CVE-2012-5445

CVE-2012-5445 is a medium-severity vulnerability in Cisco Skinny Client Control Protocol Software 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Skinny Client Control Protocol Software
Published: 2012-12-28
Last modified: 2026-06-16

Description

The kernel in Cisco Native Unix (CNU) on Cisco Unified IP Phone 7900 series devices (aka TNP phones) with software before 9.3.1-ES10 does not properly validate unspecified system calls, which allows attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a crafted binary.

Frequently asked questions

What is CVE-2012-5445?: The kernel in Cisco Native Unix (CNU) on Cisco Unified IP Phone 7900 series devices (aka TNP phones) with software before 9.3.1-ES10 does not properly validate unspecified system calls, which allows attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a crafted binary.
How severe is CVE-2012-5445?: CVE-2012-5445 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2012-5445 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5445?: CVE-2012-5445 primarily affects Cisco Skinny Client Control Protocol Software. In total, 156 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5445?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5445 published?: CVE-2012-5445 was published on 2012-12-28 and last updated on 2026-06-16.

References

Affected products (156)

cpe:2.3:o:cisco:skinny_client_control_protocol_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(2\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(9\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(4\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.4\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.4\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:2.0\(0\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:2.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0\(0\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(10\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(11\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(6a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.2\(7\):*:*:*:*:*:*:*

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