How severe is CVE-2007-5134?

CVE-2007-5134 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-5134 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5134?

CVE-2007-5134 primarily affects Cisco Catalyst 6500. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5134?

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

When was CVE-2007-5134 published?

CVE-2007-5134 was published on 2007-09-27 and last updated on 2026-06-16.

CVE-2007-5134

CVE-2007-5134 is a medium-severity vulnerability in Cisco Catalyst 6500 with a CVSS 2.0 base score of 5.0. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Cisco Catalyst 6500
Published: 2007-09-27
Last modified: 2026-06-16

Description

Cisco Catalyst 6500 and Cisco 7600 series devices use 127/8 IP addresses for Ethernet Out-of-Band Channel (EOBC) internal communication, which might allow remote attackers to send packets to an interface for which network exposure was unintended.

Frequently asked questions

What is CVE-2007-5134?: Cisco Catalyst 6500 and Cisco 7600 series devices use 127/8 IP addresses for Ethernet Out-of-Band Channel (EOBC) internal communication, which might allow remote attackers to send packets to an interface for which network exposure was unintended.
How severe is CVE-2007-5134?: CVE-2007-5134 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-5134 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5134?: CVE-2007-5134 primarily affects Cisco Catalyst 6500. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5134?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5134 published?: CVE-2007-5134 was published on 2007-09-27 and last updated on 2026-06-16.

References

Affected products (19)

cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-1:3.1\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-2:2.2\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-2:3.1\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_ws-x6380-nam:2.1\(2\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_ws-x6380-nam:3.1\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600:*:*:sup2_msfc2:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600:*:*:sup720_msfc3:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-1:3.1\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-2:2.2\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-2:3.1\(1a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_ws-x6380-nam:2.1\(2\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_ws-x6380-nam:3.1\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:catos:5.4\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:catos:7.5\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:catos:7.6\(1\):*:*:*:*:*:*:*

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