Skip to content
← Browse CVEs

CVE-2021-34473

Critical · CVSS 9.1EPSS 100.0%CISA KEVCWE-918 · Server-Side Request Forgery (SSRF)

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

Microsoft Exchange Server Remote Code Execution Vulnerability

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

References

NVD MITRE CVE.org CISA KEV

Published

Community ground truth

Community verdict

3 verdicts
Not a real issue

Includes TruePositive's curated baseline from public sources — community verdicts accrue on top.

to add your verdict.

Community real-world severity: Critical (Critical 3) — CVSS base score 9.1

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 · Marco FerriCurated

    Confirmed exploited in the wild — listed in the CISA KEV catalog (added 2021-11-03). Linked to known ransomware campaigns. Treat as real and prioritize patching over triage.