Is CVE-2021-23346 in the CISA KEV catalog?

No. CVE-2021-23346 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23346?

CVE-2021-23346 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2021-23346?

CVE-2021-23346 has an EPSS score of 2.22% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23346?

Upgrade html-parse-stringify to 2.0.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-23346

MEDIUMEPSS 80th pctl

4.8

CVSS v3

NVD

Description

This affects the package html-parse-stringify before 2.0.1; all versions of package html-parse-stringify2. Sending certain input could cause one of the regular expressions that is used for parsing to backtrack, freezing the process.

How to fix

Remediation Available

html-parse-stringifyNVD

Affected:< 2.0.1Fixed in:2.0.1CVE-2021-23346derived from NVD

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

2.22%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch4

Third-Party Advisory2

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Markdown

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HTML

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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.