TI-2015-03507 Aliases CVE-2015-4185 GHSA-6gc2-q6xw-3c8q

The TCL interpreter in Cisco IOS 15.2 does not properly maintain the vty state, which…

LOW 31CWE-264Published 2015-06-13 · Updated 2024-08-06

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

The TCL interpreter in Cisco IOS 15.2 does not properly maintain the vty state, which allows local users to gain privileges by starting a session very soon after a TCL script execution, aka Bug ID CSCuq24202.

Why it matters now

EPSS 0.00436 38th 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 · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:ios:15.2\(4\)m6:::::::*	15.2(4)m6	Vulnerable	Cisco
cpe:2.3:o:cisco:ios:15.2m:::::::*	15.2m	Vulnerable	Cisco

cpe:2.3:o:cisco:ios:15.2\(4\)m6:*:*:*:*:*:*:* Versions 15.2(4)m6 Vulnerable ·Cisco
cpe:2.3:o:cisco:ios:15.2m:*:*:*:*:*:*:* Versions 15.2m Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2015-4185
2026-10-03 Alias added: GHSA-6gc2-q6xw-3c8q

References

Advisory 1

20150612 Cisco IOS Software TCL Script Interpreter Privilege Escalation Vulnerability

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