CVE-2002-2272

Exp

Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.

Published: 2002-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-2272 is rated High Exploit Risk (79.6/100): CVSS High severity, with high exploitation likelihood (EPSS 30.89%, 97th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2002-2272

EDB-ID Source Kind Published Link
22068 exploit_db edb 2002-12-04 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-2272

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 2026-06-06 31.42% 30.89% -0.54%
2 2026-03-26 29.14% 31.42% +2.28%
3 2026-02-23 29.14%

Full EPSS history (27 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-2272

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2002-2272

GitHub Security Advisory for CVE-2002-2272

GHSA-pqr5-9v2j-44xg · Severity: high · Ecosystem: maven — Apache Tomcat DoS via Malicious Get Request

Affected software / configurations for CVE-2002-2272

Vendor Product Version Raw CPE
apache http_server 1.3 cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*
apache http_server 1.3.0 cpe:2.3:a:apache:http_server:1.3.0:*:*:*:*:*:*:*
apache http_server 1.3.1 cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:*
apache http_server 1.3.2 cpe:2.3:a:apache:http_server:1.3.2:*:*:*:*:*:*:*
apache http_server 1.3.10 cpe:2.3:a:apache:http_server:1.3.10:*:*:*:*:*:*:*
apache http_server 1.3.11 cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:*
apache http_server 1.3.12 cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:*
apache http_server 1.3.13 cpe:2.3:a:apache:http_server:1.3.13:*:*:*:*:*:*:*
apache http_server 1.3.14 cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*
apache http_server 1.3.15 cpe:2.3:a:apache:http_server:1.3.15:*:*:*:*:*:*:*
apache http_server 1.3.16 cpe:2.3:a:apache:http_server:1.3.16:*:*:*:*:*:*:*
apache http_server 1.3.17 cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:*
apache http_server 1.3.18 cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:*
apache http_server 1.3.19 cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:*
apache http_server 1.3.20 cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:*
apache http_server 1.3.22 cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:*
apache http_server 1.3.23 cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:*
apache http_server 1.3.24 cpe:2.3:a:apache:http_server:1.3.24:*:*:*:*:*:*:*
apache http_server 1.3.25 cpe:2.3:a:apache:http_server:1.3.25:*:*:*:*:*:*:*
apache http_server 1.3.26 cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:*
apache http_server 1.3.27 cpe:2.3:a:apache:http_server:1.3.27:*:*:*:*:*:*:*
apache tomcat 4.0.0 cpe:2.3:a:apache:tomcat:4.0.0:*:*:*:*:*:*:*
apache tomcat 4.0.1 cpe:2.3:a:apache:tomcat:4.0.1:*:*:*:*:*:*:*
apache tomcat 4.0.2 cpe:2.3:a:apache:tomcat:4.0.2:*:*:*:*:*:*:*
apache tomcat 4.0.3 cpe:2.3:a:apache:tomcat:4.0.3:*:*:*:*:*:*:*
apache tomcat 4.0.4 cpe:2.3:a:apache:tomcat:4.0.4:*:*:*:*:*:*:*
apache tomcat 4.0.5 cpe:2.3:a:apache:tomcat:4.0.5:*:*:*:*:*:*:*
apache tomcat 4.0.6 cpe:2.3:a:apache:tomcat:4.0.6:*:*:*:*:*:*:*
apache tomcat 4.1.0 cpe:2.3:a:apache:tomcat:4.1.0:*:*:*:*:*:*:*
apache tomcat 4.1.1 cpe:2.3:a:apache:tomcat:4.1.1:*:*:*:*:*:*:*
apache tomcat 4.1.2 cpe:2.3:a:apache:tomcat:4.1.2:*:*:*:*:*:*:*
apache tomcat 4.1.3 cpe:2.3:a:apache:tomcat:4.1.3:*:*:*:*:*:*:*
apache tomcat 4.1.3 cpe:2.3:a:apache:tomcat:4.1.3:beta:*:*:*:*:*:*
apache tomcat 4.1.9 cpe:2.3:a:apache:tomcat:4.1.9:beta:*:*:*:*:*:*
apache tomcat 4.1.10 cpe:2.3:a:apache:tomcat:4.1.10:*:*:*:*:*:*:*
apache tomcat 4.1.12 cpe:2.3:a:apache:tomcat:4.1.12:*:*:*:*:*:*:*

References for CVE-2002-2272

cvelogic Threat Intelligence