VIR Vulnerability Intelligence Relay

CVE-2021-33766

unknown KEV
Published 2022-01-18 · Modified 2022-01-18
CVSS v3
—
CVSS v2
—
VIR risk
1.5

Description

Microsoft Exchange Server contains an information disclosure vulnerability which can allow an unauthenticated attacker to steal email traffic from target.

CISA KEV

Vendor
Microsoft
Product
Exchange Server
Due date
2022-02-01

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2021-33766

Exploits

References

Verify integrity in audit chain (admin only). AS-IS.