CVE-2020-17142 in the critical feed json
Microsoft Exchange Remote Code Execution Vulnerability
published 2020-12-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-9096
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.4%
- EPSS 3.4% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
Microsoft Exchange Remote Code Execution Vulnerability
Patch / fix
Exploit prediction
3.37% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C |
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 17
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 18
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 6
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 7
Classification
- Technology feeds
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2020-17142
vendor-advisory, patch
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-17142
patch, vendor-advisory
Sources
- CVE List CVE-2020-17142
- NVD CVE-2020-17142
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.