Is CVE-2021-23368 in the CISA KEV catalog?

No. CVE-2021-23368 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23368?

CVE-2021-23368 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-23368?

CVE-2021-23368 has an EPSS score of 3.54% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23368?

Upgrade node-postcss on debian 11 to 8.2.1+~cs5.3.23-6 or later.

CVE & CISA-KEV Catalog

CVE-2021-23368

MEDIUMEPSS 88th pctl

5.3

CVSS v3

NVD

Description

The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

How to fix

Remediation Available

node-postcssDebian

Fixed in:8.2.1+~cs5.3.23-6CVE-2021-23368

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

3.54%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch4

Other references6

Embed a live status badge for CVE-2021-23368

Markdown

[![CVE-2021-23368](https://tridentstack.com/cve/badge/CVE-2021-23368.svg)](https://tridentstack.com/cve/CVE-2021-23368)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-23368"><img src="https://tridentstack.com/cve/badge/CVE-2021-23368.svg" alt="CVE-2021-23368"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.