8

CVE-2022-21987: Microsoft SharePoint Server Spoofing Vulnerability

Modified
Published 09-02-2022Last modified 02-01-2025

Vulnerability summary

CVE-2022-21987 is a high (CVSS 8.0) vulnerability in microsoft microsoft sharepoint enterprise server 2013 service pack 1. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
2.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 09-02-2022
    PublishedVulnerability first disclosed.
  2. 02-01-2025
    Last modifiedVulnerability information updated.

Description

Microsoft SharePoint Server Spoofing Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.02%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.02% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft7 products

1 vendor · 7 products

References

1 links