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CVE-2016-8735 Apache CVE debrief

CVE-2016-8735 is recorded in the supplied corpus as an Apache Tomcat remote code execution vulnerability and is also listed in CISA’s Known Exploited Vulnerabilities catalog. For defenders, the practical takeaway is straightforward: treat it as a patch-now issue and follow vendor update guidance. The supplied source data does not provide a CVSS score, so prioritization here is driven by KEV status and the vendor’s remediation guidance rather than a numeric severity score.

Vendor
Apache
Product
Tomcat
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-05-12
Original CVE updated
2023-05-12
Advisory published
2023-05-12
Advisory updated
2023-05-12

Who should care

Apache Tomcat administrators, application platform owners, vulnerability management teams, and incident response staff responsible for internet-facing Java application servers should prioritize this CVE.

Technical summary

The supplied records identify the issue as a remote code execution vulnerability affecting Apache Tomcat. CISA classifies it as a known exploited vulnerability and directs organizations to apply updates per vendor instructions. No additional technical details, affected-version data, or CVSS score are present in the supplied corpus, so the defensible summary is limited to confirmed product, impact class, and KEV status.

Defensive priority

High. CISA KEV inclusion means this vulnerability is treated as actively exploited and should be addressed on an urgent patching timeline, with remediation completed according to vendor guidance and the supplied due date of 2023-06-02.

Recommended defensive actions

  • Apply Apache Tomcat updates per vendor instructions.
  • Verify which Tomcat instances are deployed across production, staging, and externally reachable environments.
  • Prioritize remediation for any internet-facing or business-critical Tomcat servers.
  • Confirm patch completion and document the remediation status before the CISA KEV due date.
  • Review vulnerability management reports to ensure this CVE is tracked to closure.

Evidence notes

The supplied source item is CISA’s Known Exploited Vulnerabilities feed, which lists "Apache Tomcat Remote Code Execution Vulnerability" with required action "Apply updates per vendor instructions." The timeline fields supplied with this request record KEV date added as 2023-05-12 and due date as 2023-06-02. Official reference links supplied in the corpus are the CVE record, NVD detail page, and CISA KEV catalog. No CVSS score is provided in the supplied data.

Official resources

Supplied corpus dates: CVE published and modified on 2023-05-12; CISA KEV date added 2023-05-12; CISA KEV due date 2023-06-02.