TI-2007-04484 Aliases CVE-2007-4632 GHSA-wmmp-2f22-959m

Cisco IOS 12.2E, 12.2F, and 12.2S places a "no login" line into the VTY configuration…

LOW 21CWE-287Published 2007-08-31 · Updated 2024-08-07

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.00641 50th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:ios:12.2e:::::::*	12.2e	Vulnerable	Cisco
cpe:2.3:o:cisco:ios:12.2f:::::::*	12.2f	Vulnerable	Cisco
cpe:2.3:o:cisco:ios:12.2s:::::::*	12.2s	Vulnerable	Cisco

cpe:2.3:o:cisco:ios:12.2e:*:*:*:*:*:*:* Versions 12.2e Vulnerable ·Cisco
cpe:2.3:o:cisco:ios:12.2f:*:*:*:*:*:*:* Versions 12.2f Vulnerable ·Cisco
cpe:2.3:o:cisco:ios:12.2s:*:*:*:*:*:*:* Versions 12.2s Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2007-4632
2026-10-03 Alias added: GHSA-wmmp-2f22-959m
2026-10-21 EPSS moved to the 50th–90th percentile

References

Patch 1

20070829 VTY Authentication Bypass Vulnerability

Advisory 1

oval:org.mitre.oval:def:5866

TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8

See all 617 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences