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Vulnerability record · CVE-2002-0813 · published 12 August 2002

CVE-2002-0813: Cisco ios memory buffer overflow vulnerability

Cisco · Ios

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.

7.1 CVSS 2.0 High EPSS 9.1% · top 4.9% CWE-119 · Memory buffer overflow
7.1CVSS 2.0 base score
9.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=103002169829669&w=2
http://online.securityfocus.com/archive/1/284634 Vendor Advisory
http://www.cisco.com/warp/public/707/ios-tftp-long-filename-pub.shtml PatchVendor Advisory
http://www.iss.net/security_center/static/9700.php
http://www.osvdb.org/854
http://www.securityfocus.com/bid/5328
http://marc.info/?l=bugtraq&m=103002169829669&w=2
http://online.securityfocus.com/archive/1/284634 Vendor Advisory
http://www.cisco.com/warp/public/707/ios-tftp-long-filename-pub.shtml PatchVendor Advisory
http://www.iss.net/security_center/static/9700.php
http://www.osvdb.org/854
http://www.securityfocus.com/bid/5328

Track CVE-2002-0813 inside VULONE

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2002-0813), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.