Is CVE-2021-23382 in the CISA KEV catalog?

No. CVE-2021-23382 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23382?

CVE-2021-23382 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-23382?

CVE-2021-23382 has an EPSS score of 2.51% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23382?

Upgrade node-postcss on debian 11 to 8.2.1+~cs5.3.23-7 or later.

CVE & CISA-KEV Catalog

CVE-2021-23382

MEDIUMEPSS 83th pctl

5.3

CVSS v3

NVD

Description

The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).

CWE-1333

How to fix

Remediation Available

node-postcssDebian

Fixed in:8.2.1+~cs5.3.23-7CVE-2021-23382

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.51%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.