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CVE-2017-12617

Unrestricted Upload of Dangerous File Type — is CVE-2017-12617real, exploitable, or a false positive? Here's the community ground truth.

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High · CVSS 8.1EPSS 100.0%CISA KEVCWE-434 · Unrestricted Upload of Dangerous File Type

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default servlet to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code it contained would be executed by the server.

References

NVD MITRE CVE.org CISA KEV

Published

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Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: High (High 2) — CVSS base score 8.1

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Diego RamírezCurated

    Confirmed exploited in the wild — listed in the CISA KEV catalog (added 2022-03-25). Treat as real and prioritize patching over triage.

Related CVEs

Same weakness — CWE-434 · Unrestricted Upload of Dangerous File Type.