CVE-2007-0774: apache tomcat_jk_web_server_connector
Vulnerability summary
CVE-2007-0774 is a high (CVSS 7.5) vulnerability in apache tomcat_jk_web_server_connector. EPSS estimates a 81.63% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities. 3 public exploits are recorded.
Weaponized exploit (exploit-database, 25-07-2010)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 04-03-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Stack-based buffer overflow in the map_uri_to_worker function (native/common/jk_uri_worker_map.c) in mod_jk.so for Apache Tomcat JK Web Server Connector 1.2.19 and 1.2.20, as used in Tomcat 4.1.34 and 5.5.20, allows remote attackers to execute arbitrary code via a long URL that triggers the overflow in a URI worker map routine.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
81.63%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 81.63% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
3 foundApache Tomcat Connector mod_jk - 'exec-shield' Remote Overflow
Maturity: weaponized
Apache Tomcat mod_jk 1.2.20 - Remote Buffer Overflow (Metasploit)
Maturity: weaponized
Apache mod_jk 1.2.20 Buffer Overflow
exploit/windows/http/apache_modjk_overflow
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat4 products
- mod_jk< 0:1.2.20-1.el4s1.2 | < 0:1.2.20-1jpp_1rh
- mod_jk-ap20< 0:1.2.20-1.el4s1.2 | < 0:1.2.20-1jpp_1rh
- mod_jk-debuginfo< 0:1.2.20-1.el4s1.2 | < 0:1.2.20-1jpp_1rh
- mod_jk-manual< 0:1.2.20-1.el4s1.2 | < 0:1.2.20-1jpp_1rh
Apache1 product
- tomcat_jk_web_server_connector1.2.19 | 1.2.20
Debian1 product
- libapache-mod-jk< 1:1.2.21-1
3 vendors · 6 products
References
37 links- www.cisco.com/en/US/products/products_security_advisory09186a008093f040.shtmlVendor AdvisoryX Refsource CISCO
Show all 37 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5513VDB EntrySignatureX Refsource OVAL
- h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795Vendor AdvisoryX Refsource HP
- tomcat.apache.org/security-jk.htmlX Refsource CONFIRM