CVE-2021-1641: microsoft microsoft sharepoint enterprise server 2016
CVSS: 5.8v2.0MediumModified
Published 12-01-2021Last modified 08-10-2024
Vulnerability summary
CVE-2021-1641 is a medium (CVSS 5.8) vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 1.98% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities.
CVSS score
5.8/10
010
Medium · v2.0 (NVD)EPSS score
1.98%
0%100%
Low · +0.15 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-01-2021PublishedVulnerability first disclosed.
- 08-10-2024Last modifiedVulnerability information updated.
Description
Microsoft SharePoint Server Spoofing Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST4.6MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.98%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
+0.15 pp
From 1.83% on 19-09-2026
19-09-202619-10-2026
EPSS score1.98%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft6 products
- microsoft sharepoint enterprise server 2016≥ 16.0.0, < publication
- microsoft sharepoint foundation 2013 service pack 1≥ 15.0.0, < publication
- microsoft sharepoint server 2019≥ 16.0.0, < publication
- sharepoint_enterprise_server2016
- sharepoint_foundation2013:sp1
1 vendor · 6 products
References
2 links- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1641Vendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1641X Refsource MISCX Transferred