CVE-2021-25948

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

3.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 87.4% of scored records. A rank, not a probability.

NVD base score

9.8 (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: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

2021-06-10 11:55Z5 YR AGO

Last updated

2024-08-03 20:19Z2 YR AGO

Reserved

2021-01-22

Assigning CNA

Mend

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

5.1

Document digest

82e6b85c0bb441570c9d16d4bd77d1ef340239f40b375a8add41db9863905888

• www.whitesourcesoftware.comhttps://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948x_refsource_MISC
• github.comhttps://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19x_refsource_MISC