Vulnerability

CVE-2017-12617

Apache Tomcat: unauthenticated remote code execution

Most severe levelDEFCON 4 · Moderate risk

Official data

CVSS 3.1
8.1 · highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
EPSS
99.97% probability of exploitation in the next 30 days, higher than 99% of CVEs
CISA KEV catalogue
Yes, since 25 March 2022

Sources: NVD (CVSS, weakness, publication), FIRST (EPSS), CISA (KEV catalogue).
Data read on 4 November 2026.

Timeline

  1. 3 October 2017Published on NVD
  2. 25 March 2022Added to the CISA KEV catalogue

In DefenceLevel briefings1 day

  • 7 October 2026New in the last 24 hoursDEFCON 4

Last 12 months.

The full analysis is in the briefingThe full analysis is in your archive

Why it matters now, who is affected and what to do: every day at 05:00 UTC, for subscribers.Why it matters, who is affected and what to do, as in the daily briefing.

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Official records: NVDCVE.org

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