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01 Record

CVE-2020-16945

Microsoft Office SharePoint XSS Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score8.7 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C

02 Description

Microsoft Office SharePoint XSS Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.67% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 76.3% of scored records. A rank, not a probability.
NVD base score
8.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-10-16 22:18Z6 YR AGO
Last updated
2024-08-04 13:45Z2 YR AGO
Reserved
2020-08-04
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 8.7)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
1bff0d36988bfd40aade77d01137f24fec106930ff428f7ded3cf10689b47cfc

05 Affected products

VendorProductVersionsPlatforms
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0 to < publicationx64-based Systems
MicrosoftMicrosoft SharePoint Server 201916.0.0 to < publicationx64-based Systems
MicrosoftMicrosoft SharePoint Foundation 2013 Service Pack 115.0.0 to < publicationx64-based Systems

06 References