Important CVSS 5.3 EPSS 0.02895 2020-11 archive

Executive Summary

None

Overview

5.3
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Nov 10 2020
Last Updated Nov 10 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.02895 — 0.85109 percentile
NVD CVSS 5.3 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.6

EPSS Score

0.02895
probability of exploitation in the next 30 days
0.85109 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

3 affected products
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Enterprise Server 2016 4486717 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Foundation 2013 Service Pack 1 4486733 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Server 2019 4486714 (Security Update) Important Information Disclosure Maybe

Patches

3 patches
Article Type Restart
4486717 Security Update Maybe
4486733 Security Update Maybe
4486714 Security Update Maybe

Known Exploits

Acknowledgments