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CVE-2017-12615 Apache CVE debrief

CVE-2017-12615 is an Apache Tomcat vulnerability affecting Windows deployments that CISA lists in its Known Exploited Vulnerabilities catalog as actively exploited. CISA also marks it as associated with known ransomware campaign use. From a defensive standpoint, this is a high-priority patching and exposure review item for any organization running Tomcat on Windows.

Vendor
Apache
Product
Tomcat
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-25
Original CVE updated
2022-03-25
Advisory published
2022-03-25
Advisory updated
2022-03-25

Who should care

Administrators and security teams responsible for Apache Tomcat on Windows, especially environments exposed to the internet or with elevated application privileges. Incident response and vulnerability management teams should also treat this as an urgent remediation item because it appears in CISA’s KEV catalog and is linked to known ransomware campaign use.

Technical summary

The supplied official records describe this issue as an Apache Tomcat on Windows remote code execution vulnerability. The CISA KEV entry identifies it as a known exploited vulnerability and directs organizations to apply updates per vendor instructions. The provided corpus does not include version ranges, root-cause details, or exploit mechanics, so those specifics should be verified in the vendor and NVD records before remediation planning.

Defensive priority

High

Recommended defensive actions

  • Identify all Apache Tomcat installations running on Windows across servers, VMs, and application platforms.
  • Check whether any instance matches the affected configuration described in the official CVE and NVD records.
  • Apply vendor-recommended updates and any related mitigations as soon as possible.
  • Prioritize internet-facing or high-privilege Tomcat deployments for immediate review.
  • Validate whether the affected service has been exposed to suspicious activity consistent with known exploitation.
  • Track remediation to completion before the CISA KEV due date associated with this entry, if still relevant to your environment.

Evidence notes

This debrief is based only on the supplied official corpus: the CISA Known Exploited Vulnerabilities entry for CVE-2017-12615 plus the linked official CVE and NVD records. The corpus explicitly states the product/project (Apache Tomcat), the platform context (Windows), that it is a remote code execution vulnerability, that it is known exploited, and that known ransomware campaign use is associated with it. No additional exploit details, affected version ranges, or fix versions were provided in the source set.

Official resources

CISA added CVE-2017-12615 to the Known Exploited Vulnerabilities catalog on 2022-03-25 and marked it with known ransomware campaign use. CISA’s stated required action is to apply updates per vendor instructions.