The JK Connector (aka mod_jk) 1.2.0 through 1.2.26 in Apache Tomcat allows remote attackers to obtain sensitive information via an arbitrary request from an HTTP client, in opportunistic circumstances involving (1) a request from a different client that included a Content-Length header but no POST data or (2) a rapid series of requests, related to noncompliance with the AJP protocol's requirements for requests containing Content-Length headers.
CVE-2008-5519 is a security vulnerability that . Impacting 2 products from apache, from apache organizations running these solutions should prioritize assessment and patching.
Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.
2009-04-09T15:08:35.500
2026-04-23T00:35:47.467
Modified
CVSSv2: 2.6 (LOW)
AV:N/AC:H/Au:N/C:P/I:N/A:N
4.9
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | apache | mod_jk | 1.2 | Yes |
| Application | apache | mod_jk | 1.2.1 | Yes |
| Application | apache | mod_jk | 1.2.6 | Yes |
| Application | apache | mod_jk | 1.2.7 | Yes |
| Application | apache | mod_jk | 1.2.8 | Yes |
| Application | apache | mod_jk | 1.2.9 | Yes |
| Application | apache | mod_jk | 1.2.10 | Yes |
| Application | apache | mod_jk | 1.2.11 | Yes |
| Application | apache | mod_jk | 1.2.12 | Yes |
| Application | apache | mod_jk | 1.2.13 | Yes |
| Application | apache | mod_jk | 1.2.14 | Yes |
| Application | apache | mod_jk | 1.2.14.1 | Yes |
| Application | apache | mod_jk | 1.2.15 | Yes |
| Application | apache | mod_jk | 1.2.16 | Yes |
| Application | apache | mod_jk | 1.2.17 | Yes |
| Application | apache | mod_jk | 1.2.18 | Yes |
| Application | apache | mod_jk | 1.2.19 | Yes |
| Application | apache | mod_jk | 1.2.20 | Yes |
| Application | apache | mod_jk | 1.2.21 | Yes |
| Application | apache | mod_jk | 1.2.22 | Yes |
| Application | apache | mod_jk | 1.2.23 | Yes |
| Application | apache | mod_jk | 1.2.24 | Yes |
| Application | apache | mod_jk | 1.2.25 | Yes |
| Application | apache | mod_jk | 1.2.26 | Yes |
| Application | apache | tomcat | 4.0.0 | Yes |
| Application | apache | tomcat | 4.0.1 | Yes |
| Application | apache | tomcat | 4.0.2 | Yes |
| Application | apache | tomcat | 4.0.3 | Yes |
| Application | apache | tomcat | 4.0.4 | Yes |
| Application | apache | tomcat | 4.0.5 | Yes |
| Application | apache | tomcat | 4.0.6 | Yes |
| Application | apache | tomcat | 4.1.0 | Yes |
| Application | apache | tomcat | 4.1.1 | Yes |
| Application | apache | tomcat | 4.1.2 | Yes |
| Application | apache | tomcat | 4.1.3 | Yes |
| Application | apache | tomcat | 4.1.3 | Yes |
| Application | apache | tomcat | 4.1.4 | Yes |
| Application | apache | tomcat | 4.1.5 | Yes |
| Application | apache | tomcat | 4.1.6 | Yes |
| Application | apache | tomcat | 4.1.7 | Yes |
| Application | apache | tomcat | 4.1.8 | Yes |
| Application | apache | tomcat | 4.1.9 | Yes |
| Application | apache | tomcat | 4.1.9 | Yes |
| Application | apache | tomcat | 4.1.10 | Yes |
| Application | apache | tomcat | 4.1.11 | Yes |
| Application | apache | tomcat | 4.1.12 | Yes |
| Application | apache | tomcat | 4.1.13 | Yes |
| Application | apache | tomcat | 4.1.14 | Yes |
| Application | apache | tomcat | 4.1.15 | Yes |
| Application | apache | tomcat | 4.1.16 | Yes |
| Application | apache | tomcat | 4.1.17 | Yes |
| Application | apache | tomcat | 4.1.18 | Yes |
| Application | apache | tomcat | 4.1.19 | Yes |
| Application | apache | tomcat | 4.1.20 | Yes |
| Application | apache | tomcat | 4.1.21 | Yes |
| Application | apache | tomcat | 4.1.22 | Yes |
| Application | apache | tomcat | 4.1.23 | Yes |
| Application | apache | tomcat | 4.1.24 | Yes |
| Application | apache | tomcat | 4.1.25 | Yes |
| Application | apache | tomcat | 4.1.26 | Yes |
| Application | apache | tomcat | 4.1.27 | Yes |
| Application | apache | tomcat | 4.1.28 | Yes |
| Application | apache | tomcat | 4.1.29 | Yes |
| Application | apache | tomcat | 4.1.30 | Yes |
| Application | apache | tomcat | 4.1.31 | Yes |
| Application | apache | tomcat | 4.1.32 | Yes |
| Application | apache | tomcat | 4.1.33 | Yes |
| Application | apache | tomcat | 4.1.34 | Yes |
| Application | apache | tomcat | 4.1.35 | Yes |
| Application | apache | tomcat | 4.1.36 | Yes |
| Application | apache | tomcat | 5.0.0 | Yes |
| Application | apache | tomcat | 5.0.1 | Yes |
| Application | apache | tomcat | 5.0.2 | Yes |
| Application | apache | tomcat | 5.0.3 | Yes |
| Application | apache | tomcat | 5.0.4 | Yes |
| Application | apache | tomcat | 5.0.5 | Yes |
| Application | apache | tomcat | 5.0.6 | Yes |
| Application | apache | tomcat | 5.0.7 | Yes |
| Application | apache | tomcat | 5.0.8 | Yes |
| Application | apache | tomcat | 5.0.9 | Yes |
| Application | apache | tomcat | 5.0.10 | Yes |
| Application | apache | tomcat | 5.0.11 | Yes |
| Application | apache | tomcat | 5.0.12 | Yes |
| Application | apache | tomcat | 5.0.13 | Yes |
| Application | apache | tomcat | 5.0.14 | Yes |
| Application | apache | tomcat | 5.0.15 | Yes |
| Application | apache | tomcat | 5.0.16 | Yes |
| Application | apache | tomcat | 5.0.17 | Yes |
| Application | apache | tomcat | 5.0.18 | Yes |
| Application | apache | tomcat | 5.0.19 | Yes |
| Application | apache | tomcat | 5.0.21 | Yes |
| Application | apache | tomcat | 5.0.22 | Yes |
| Application | apache | tomcat | 5.0.23 | Yes |
| Application | apache | tomcat | 5.0.24 | Yes |
| Application | apache | tomcat | 5.0.25 | Yes |
| Application | apache | tomcat | 5.0.26 | Yes |
| Application | apache | tomcat | 5.0.27 | Yes |
| Application | apache | tomcat | 5.0.28 | Yes |
| Application | apache | tomcat | 5.0.29 | Yes |
| Application | apache | tomcat | 5.0.30 | Yes |
| Application | apache | tomcat | 5.5.0 | Yes |
| Application | apache | tomcat | 5.5.1 | Yes |
| Application | apache | tomcat | 5.5.2 | Yes |
| Application | apache | tomcat | 5.5.3 | Yes |
| Application | apache | tomcat | 5.5.4 | Yes |
| Application | apache | tomcat | 5.5.5 | Yes |
| Application | apache | tomcat | 5.5.6 | Yes |
| Application | apache | tomcat | 5.5.7 | Yes |
| Application | apache | tomcat | 5.5.8 | Yes |
| Application | apache | tomcat | 5.5.9 | Yes |
| Application | apache | tomcat | 5.5.10 | Yes |
| Application | apache | tomcat | 5.5.11 | Yes |
| Application | apache | tomcat | 5.5.12 | Yes |
| Application | apache | tomcat | 5.5.13 | Yes |
| Application | apache | tomcat | 5.5.14 | Yes |
| Application | apache | tomcat | 5.5.15 | Yes |
| Application | apache | tomcat | 5.5.16 | Yes |
| Application | apache | tomcat | 5.5.17 | Yes |
| Application | apache | tomcat | 5.5.18 | Yes |
| Application | apache | tomcat | 5.5.19 | Yes |
| Application | apache | tomcat | 5.5.20 | Yes |
| Application | apache | tomcat | 5.5.21 | Yes |
| Application | apache | tomcat | 5.5.22 | Yes |
| Application | apache | tomcat | 5.5.23 | Yes |
| Application | apache | tomcat | 5.5.24 | Yes |
| Application | apache | tomcat | 5.5.25 | Yes |
| Application | apache | tomcat | 5.5.26 | Yes |
| Application | apache | tomcat | 5.5.27 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.