What’s Vulnerable › Vulnerabilities

CVE-2002-0813

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2002-08-12 · updated 2026-06-16
• Weakness: CWE-119

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.

Affected products

• Cisco IOS: 11.1, 11.2, 11.3

References

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

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