CVE-2021-31207

Medium · CVSS 6.6EPSS 99.8%CISA KEVCWE-434 · Unrestricted Upload of Dangerous File Type

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

Microsoft Exchange Server Security Feature Bypass Vulnerability

NVD only has a brief summary for this one — the community fills in the real-world detail below.

References

Published May 11, 2021

Community ground truth

Community verdict

3 verdicts

Not a real issue

to add your verdict.

Community real-world severity: Critical (Critical 3) — CVSS base score 6.6

Practitioners rate this higher than its CVSS — treat with extra caution.

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

No notes yet — be the first to share what you saw or a fix that worked.