CVE-2007-0774

NONECVSS 0.09.0▲
EchelonGraph scoreLOW confidence

Score elevated to 9.0 because EPSS predicts 88% probability of exploitation within the next 30 days (top 0.5% of all CVEs). Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss
Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 82%
CISA-KEV: Not listedEPSS: 82%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

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 v3
—
EG Score
9.0(low)
EPSS
99.6%
KEV
Not listed

Published

March 4, 2007

Last Modified

April 23, 2026

References (50)

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatmod_jk-0:1.2.20-1jpp_1rh2007-04-12redhat
redhatmod_jk-0:1.2.20-1.el4s1.22007-03-02redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 3× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-13 06:07 UTCEPSS rescore
  2. 2026-07-13 06:07 UTCEPSS rescore
  3. 2026-07-08 14:45 UTCOSV refresh
  4. 2026-07-06 02:19 UTCEPSS rescore
  5. 2026-07-06 02:19 UTCEPSS rescore
  6. 2026-07-02 14:00 UTCEPSS rescore
  7. 2026-07-01 15:02 UTCEPSS rescore
  8. 2026-07-01 15:02 UTCEPSS rescore
  9. 2026-06-28 04:52 UTCEPSS rescore
  10. 2026-06-25 13:46 UTCEPSS rescore
  11. 2026-06-25 13:46 UTCEPSS rescore
  12. 2026-06-23 21:29 UTCEPSS rescore
  13. 2026-06-23 21:29 UTCEPSS rescore
  14. 2026-06-21 01:56 UTCEPSS rescore
  15. 2026-06-21 01:56 UTCEPSS rescore
  16. 2026-06-21 01:56 UTCEPSS rescore
  17. 2026-06-20 02:42 UTCOSV refresh
  18. 2026-06-16 17:49 UTCEPSS rescore
  19. 2026-06-16 17:49 UTCEPSS rescore
  20. 2026-06-15 17:44 UTCEPSS rescore
  21. 2026-06-13 22:57 UTCEPSS rescore
  22. 2026-06-13 22:57 UTCEPSS rescore
  23. 2026-06-12 23:08 UTCEPSS rescore
  24. 2026-06-08 14:13 UTCEPSS rescore
  25. 2026-06-07 15:21 UTCEPSS rescore
Show 29 more
  1. 2026-06-07 15:21 UTCEPSS rescore
  2. 2026-06-06 13:44 UTCEPSS rescore
  3. 2026-06-06 13:44 UTCEPSS rescore
  4. 2026-06-05 22:44 UTCEPSS rescore
  5. 2026-06-05 22:44 UTCEPSS rescore
  6. 2026-06-05 06:07 UTCEPSS rescore
  7. 2026-06-04 13:09 UTCEPSS rescore
  8. 2026-06-04 13:09 UTCEPSS rescore
  9. 2026-05-31 03:56 UTCEG score recompute
  10. 2026-05-31 03:56 UTCVendor advisory
  11. 2026-05-31 03:56 UTCGHSA enrichment
  12. 2026-05-31 00:13 UTCEPSS rescore
  13. 2026-05-31 00:13 UTCEPSS rescore
  14. 2026-05-29 13:40 UTCEPSS rescore
  15. 2026-05-28 13:42 UTCEPSS rescore
  16. 2026-05-28 13:42 UTCEPSS rescore
  17. 2026-05-27 13:37 UTCEPSS rescore
  18. 2026-05-27 13:37 UTCEPSS rescore
  19. 2026-05-26 07:16 UTCEPSS rescore
  20. 2026-05-26 07:16 UTCEPSS rescore
  21. 2026-05-26 07:16 UTCEPSS rescore
  22. 2026-05-24 16:42 UTCEPSS rescore
  23. 2026-05-22 21:15 UTCEPSS rescore
  24. 2026-05-22 21:15 UTCEPSS rescore
  25. 2026-05-22 21:15 UTCEPSS rescore
  26. 2026-05-21 01:06 UTCOSV refresh
  27. 2026-05-20 22:36 UTCEPSS rescore
  28. 2026-05-18 21:29 UTCEPSS rescore
  29. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16798✓ verified
    First seen Jul 25, 2010

    Apache Tomcat mod_jk 1.2.20 - Remote Buffer Overflow (Metasploit)

    Open source ↗
  • Exploit-DBEDB-4162✓ verified
    First seen Jul 8, 2007

    Apache Tomcat Connector mod_jk - 'exec-shield' Remote Overflow

    Open source ↗
  • Metasploitexploit/windows/http/apache_modjk_overflow✓ verified
    First seen Mar 2, 2007

    Apache mod_jk 1.2.20 Buffer Overflow

    Open source ↗

Frequently asked(4)

What is CVE-2007-0774?
CVE-2007-0774 is a none vulnerability published on March 4, 2007. Stack-based buffer overflow in the mapuritoworker function (native/common/jkuriworkermap.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…
When was CVE-2007-0774 disclosed?
CVE-2007-0774 was first published in the National Vulnerability Database on March 4, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-0774 actively exploited?
CVE-2007-0774 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-0774?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-0774, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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