CVE-2021-20086

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

6.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 92.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-04-23 18:11Z5 YR AGO

Last updated

2025-11-03 21:44Z10 MO AGO

Reserved

2020-12-17

Assigning CNA

tenable

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')Variant

Data version

5.2

Document digest

b270fc10cb3e81c2471c123e4b3f99237cb17b295d9632299d319040e2ad6289

• github.comhttps://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-bbq.mdx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20241108-0002/