CVE-2021-43242: microsoft microsoft sharepoint enterprise server 2016
CVSS: 7.6v3.1HighModified
Published 15-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-43242 is a high (CVSS 7.6) vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 69.9% of scored vulnerabilities.
CVSS score
7.6/10
010
High · v3.1 (CVE.org)EPSS score
1.30%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Microsoft SharePoint Server Spoofing Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:CSources2 sources · 5.7–7.6
- NVDNIST5.7MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:NDiffers
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
+0.07 pp
From 1.23% on 20-09-2026
20-09-202620-10-2026
EPSS score1.30%
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
Microsoft7 products
- microsoft sharepoint enterprise server 2016≥ 16.0.0, < 16.0.5254.1000
- microsoft sharepoint foundation 2013 service pack 1≥ 15.0.0, < 15.0.5407.1000
- microsoft sharepoint server 2019≥ 16.0.0, < 16.0.10381.20001
- microsoft sharepoint server subscription edition≥ 16.0.0, < 16.0.14326.20620
- sharepoint_enterprise_server2016
1 vendor · 7 products
References
1 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43242X Refsource MISCPatchVendor Advisory