TI-2002-00790 Aliases CVE-2002-0813 GHSA-g78g-q326-8w9f

Heap-based buffer overflow in the TFTP server capability in Cisco IOS 11.1, 11.2, and…

MEDIUM 43CWE-119Published 2003-04-02 · Updated 2024-08-08

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Heap-based buffer overflow in the TFTP server capability in Cisco IOS 11.1, 11.2, and 11.3 allows remote attackers to cause a denial of service (reset) or modify configuration via a long filename.

Why it matters now

EPSS 0.09085 95th 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:11.1:::::::*	11.1	Vulnerable	Cisco
cpe:2.3:o:cisco:ios:11.2:::::::*	11.2	Vulnerable	Cisco
cpe:2.3:o:cisco:ios:11.3:::::::*	11.3	Vulnerable	Cisco

cpe:2.3:o:cisco:ios:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·Cisco
cpe:2.3:o:cisco:ios:11.2:*:*:*:*:*:*:* Versions 11.2 Vulnerable ·Cisco
cpe:2.3:o:cisco:ios:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2002-0813
2026-10-03 Alias added: GHSA-g78g-q326-8w9f

References

Patch 1

20020730 TFTP Long Filename Vulnerability

Other 3

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