CVE-2022-21979 json
Microsoft Exchange Server Information Disclosure Vulnerability
published 2022-08-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27134
- cvss
- 5.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
Microsoft Exchange Server Information Disclosure Vulnerability
Patch / fix
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0986.030
- Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 15.00.1497.042
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 22 15.01.2375.032
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 12 15.02.1118.015
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.013
Exploit prediction
2.22% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.8 | 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 | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 11
- Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 22
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 12
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
Classification
- Technology feeds
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2022-21979
vendor-advisory
Sources
- CVE List CVE-2022-21979
- NVD CVE-2022-21979
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.