CVE-2020-16952

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

71.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.3% of scored records. A rank, not a probability.

NVD base score

8.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

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.

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 8.6)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L/E:P/RL:O/RC:C

Weaknesses

• CWE-346Origin Validation ErrorClass

Data version

5.1

Document digest

4af1a22e970f99c7606811df49b037842fc8a7a6082910cbfb0ee6307621fb17

• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/159612/Microsoft-SharePoint-SSI-ViewState-Remote-Code-Execution.htmlx_refsource_MISC