Is CVE-2007-5421 being actively exploited?

CVE-2007-5421 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-5421?

No CVSS base score has been published for CVE-2007-5421 yet.

CVE-2007-5421

EU EUVD

Rejected reason: Multiple stack-based buffer overflows in Cisco IOS 12.x and IOS XR allow attackers to execute arbitrary code, as demonstrated via the "Bind Shell", "Reverse Shell", and "Two byte rootshell (Tiny Shell)" attacks. NOTE: the vendor and researcher agree that this issue does not cross privilege boundaries, saying they do not "represent a vulnerability." The disclosure was intended to demonstrate techniques for exploitation, which is not covered by CVE

Key facts

CVSS score: N/A
Severity: Unrated
EPSS score: N/A
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-5397)
Published: October 12, 2007
NVD last modified: November 7, 2023
Status: Rejected

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-5397 in the EU Vulnerability Database. Last updated in EUVD on October 19, 2018.

View on the EU Vulnerability Database

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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