Back
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,…
- 5.0MediumCVSS base score
- 2.5%Exploitation in 30 daysEPSS · top 15% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
Published
- 17 years later
· 17 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
8
- 1018743 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 26988 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2007-3276 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20070927 Re: CAT6500 accessible via 127.0.0.x loopback addresses (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- cisco-catalyst-loopback-acl-bypass(36826) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 25822 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20070926 Catalyst 6500 and Cisco 7600 Series Devices Accessible via Loopback Address (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 1018742 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2007-5115 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2007-5134)Record last updated .