How severe is CVE-2015-0658?

CVE-2015-0658 has a CVSS 2.0 base score of 7.9, rated high severity.

Is CVE-2015-0658 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0658?

CVE-2015-0658 primarily affects Cisco Nx-os. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0658?

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-2015-0658 published?

CVE-2015-0658 was published on 2015-03-28 and last updated on 2026-06-17.

CVE-2015-0658

CVE-2015-0658 is a high-severity vulnerability in Cisco Nx-os with a CVSS 2.0 base score of 7.9. 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 7.9)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Nx-os
Published: 2015-03-28
Last modified: 2026-06-17

Description

The DHCP implementation in the PowerOn Auto Provisioning (POAP) feature in Cisco NX-OS does not properly restrict the initialization process, which allows remote attackers to execute arbitrary commands as root by sending crafted response packets on the local network, aka Bug ID CSCur14589.

Frequently asked questions

What is CVE-2015-0658?: The DHCP implementation in the PowerOn Auto Provisioning (POAP) feature in Cisco NX-OS does not properly restrict the initialization process, which allows remote attackers to execute arbitrary commands as root by sending crafted response packets on the local network, aka Bug ID CSCur14589.
How severe is CVE-2015-0658?: CVE-2015-0658 has a CVSS 2.0 base score of 7.9, rated high severity.
Is CVE-2015-0658 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0658?: CVE-2015-0658 primarily affects Cisco Nx-os. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0658?: 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-2015-0658 published?: CVE-2015-0658 was published on 2015-03-28 and last updated on 2026-06-17.

References

Affected products (68)

cpe:2.3:o:cisco:nx-os:6.1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(4a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.2\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.2\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.2\(6b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.2\(8\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.2\(8a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.2\(8b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n1\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n2\(1b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n2\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n2\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.0\(2\)n2\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(0\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(1\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(2\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.0\(3\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i2\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i2\(2b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i2\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i3\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i3\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:6.1\(2\)i3\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(1b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(1c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)u3\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)u3\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)u3\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)u3\(2b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)u4\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)u5\(1\):*:*:*:*:*:*:*

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