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CVE record · CVE-2022-21979

Microsoft Exchange Server Information Disclosure Vulnerability

CVSS 4.8 MediumEPSS 0.022 · 82nd percentile

Published by the CVE Program (CNA: microsoft) at 9 Aug 2022, 19:47 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Microsoft Microsoft Exchange Server 2019 Cumulative Update 11
  • affected 15.02.0 to before 15.02.0986.030 custom
Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
  • affected 15.00.0 to before 15.00.1497.042 custom
Microsoft Microsoft Exchange Server 2016 Cumulative Update 22
  • affected 15.0.0 to before 15.01.2375.032 custom
Microsoft Microsoft Exchange Server 2019 Cumulative Update 12
  • affected 15.02.0 to before 15.02.1118.015 custom
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
  • affected 15.01.0 to before 15.01.2507.013 custom
Identifiers
CVE-2022-21979
CNA
microsoft
Tags
Published
9 Aug 2022
Updated
2 Jan 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.8 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.022, the 82nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Aug 2022. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.