CVE-2002-1222

Cisco Catalyst <7.3 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2002-1222. PoCs published by blackangels.

AI-analyzed exploit summary This Perl script exploits multiple Cisco vulnerabilities, including a buffer overflow in CatOS HTTP server (CVE-2002-1222). It sends crafted requests to trigger DoS or unauthorized access.

Description

Buffer overflow in the embedded HTTP server for Cisco Catalyst switches running CatOS 5.4 through 7.3 allows remote attackers to cause a denial of service (reset) via a long HTTP request.

Exploits (1)

exploitdb WORKING POC VERIFIED
by blackangels · perlremotehardware
https://www.exploit-db.com/exploits/21944

This Perl script exploits multiple Cisco vulnerabilities, including a buffer overflow in CatOS HTTP server (CVE-2002-1222). It sends crafted requests to trigger DoS or unauthorized access.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Cisco CatOS 5.4 through 7.4 (with 'cv' in image name)
No auth needed
Prerequisites: Network access to target device · HTTP/HTTPS service running on target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_cisco
http://www.cisco.com/warp/public/707/catos-http-overflow-vuln.shtml
Third Party Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/10382.php
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/5976

Scores

EPSS 0.0864
EPSS Percentile 94.4%

Details

CWE
CWE-119
Status published
Products (7)
cisco/catos 5.4
cisco/catos 5.5
cisco/catos 5.5\(13a\)
cisco/catos 6.1
cisco/catos 6.1\(2\)
cisco/catos 7.3
cisco/catos 7.4
Published Oct 28, 2002
Tracked Since Feb 18, 2026