CVE-2016-6808
CVE-2016-6808 is a critical-severity vulnerability in Apache Tomcat Jk Connector with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Apache Tomcat Jk Connector
- Published:
- Last modified:
Description
Buffer overflow in Apache Tomcat Connectors (mod_jk) before 1.2.42.
Frequently asked questions
- What is CVE-2016-6808?
- Buffer overflow in Apache Tomcat Connectors (mod_jk) before 1.2.42.
- How severe is CVE-2016-6808?
- CVE-2016-6808 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-6808 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-6808?
- CVE-2016-6808 affects Apache Tomcat Jk Connector. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-6808?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2016-6808 published?
- CVE-2016-6808 was published on 2017-04-12 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/139071/Apache-Tomcat-JK-ISAPI-Connector-1.2.41-Buffer-Overflow.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://seclists.org/fulldisclosure/2016/Oct/44
- http://tomcat.apache.org/security-jk.html
- http://www.openwall.com/lists/oss-security/2016/10/06/4
- http://www.securityfocus.com/bid/93429
- http://www.securitytracker.com/id/1036969
- https://access.redhat.com/errata/RHSA-2017:0193
- https://access.redhat.com/errata/RHSA-2017:0194
- https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f20c452c127a53c%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.org%3E
Affected products (1)
- cpe:2.3:a:apache:tomcat_jk_connector:*:*:*:*:*:*:*:*
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