CVE-2007-4632

4.3 MEDIUM 0.6% exploit odds Fix listed

What it is

Cisco IOS 12.2E, 12.2F, and 12.2S places a "no login" line into the VTY configuration when an administrator makes certain changes to a (1) VTY/AUX or (2) CONSOLE setting on a device without AAA enabled, which allows remote attackers to bypass authentication and obtain a terminal session, a different vulnerability than CVE-1999-0293 and CVE-2005-2105.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2007-08-31 23:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:44 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2007-08-31 23:17 UTC
Last modified: 2026-06-16 22:44 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Modified

Affected

Cisco iOS 12.2e
Cisco iOS 12.2f
Cisco iOS 12.2s

Attack profile CVSS 2.0 · 4.3

Attack vector: Adjacent network
Complexity: High
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:A/AC:H/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-4632.md and follow it. Check whether this project is affected by CVE-2007-4632. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record