CVE-2002-2272

CVE-2002-2272 is a high-severity vulnerability in Apache Http Server with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: High (CVSS 2.0 base score 7.8)
• EPSS exploit prediction: 10% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Apache Http Server
• Published: 2002-12-31
• Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2002-2272?

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.

How severe is CVE-2002-2272?

CVE-2002-2272 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2002-2272 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2272?

CVE-2002-2272 primarily affects Apache Http Server. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2272?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2002-2272 published?

CVE-2002-2272 was published on 2002-12-31 and last updated on 2026-06-16.

References

• http://archives.neohapsis.com/archives/bugtraq/2002-12/0045.html
• http://www.securityfocus.com/bid/6320
• https://exchange.xforce.ibmcloud.com/vulnerabilities/10771

Affected products (36)

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

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