CVE-2021-23382

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

2.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.9% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2021-04-26 15:30Z5 YR AGO

Last updated

2024-09-16 23:26Z2 YR AGO

Reserved

2021-01-08

Assigning CNA

snyk

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-1333Inefficient Regular Expression ComplexityBase
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

80ff03e24fec7255af49c63edcd9359e2b167f0a54652e28518c1de2d9d2837c

• snyk.iohttps://snyk.io/vuln/SNYK-JS-POSTCSS-1255640x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1255641x_refsource_MISC
• github.comhttps://github.com/postcss/postcss/commit/2b1d04c867995e55124e0a165b7c6622c1735956x_refsource_MISC