CVE-2002-1222

Exp

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.

Published: 2002-10-28 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-1222 is rated High Exploit Risk (71.4/100): CVSS High severity, with high exploitation likelihood (EPSS 8.64%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2002-1222

EDB-ID Source Kind Published Link
21944 exploit_db edb 2002-10-16 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-1222

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 24.35% 8.64% -15.71%
2 2026-02-08 16.16% 24.35% +8.19%
3 2025-05-29 — 16.16% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1222

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 6.9 [email protected]

Weakness enumeration for CVE-2002-1222

Affected software / configurations for CVE-2002-1222

Vendor Product Version Raw CPE
cisco catos 5.4 cpe:2.3:o:cisco:catos:5.4:*:*:*:*:*:*:*
cisco catos 5.5 cpe:2.3:o:cisco:catos:5.5:*:*:*:*:*:*:*
cisco catos 5.5\(13a\) cpe:2.3:o:cisco:catos:5.5\(13a\):*:*:*:*:*:*:*
cisco catos 6.1 cpe:2.3:o:cisco:catos:6.1:*:*:*:*:*:*:*
cisco catos 6.1\(2\) cpe:2.3:o:cisco:catos:6.1\(2\):*:*:*:*:*:*:*
cisco catos 7.3 cpe:2.3:o:cisco:catos:7.3:*:*:*:*:*:*:*
cisco catos 7.4 cpe:2.3:o:cisco:catos:7.4:*:*:*:*:*:*:*

References for CVE-2002-1222

cvelogic Threat Intelligence