Is CVE-2021-23362 in the CISA KEV catalog?

No. CVE-2021-23362 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23362?

CVE-2021-23362 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-23362?

CVE-2021-23362 has an EPSS score of 3.61% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23362?

Upgrade node-hosted-git-info on debian 11 to 3.0.8-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-23362

MEDIUMEPSS 88th pctl

5.3

CVSS v3

NVD

Description

The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl function in index.js. The affected regular expression exhibits polynomial worst-case time complexity.

CWE-1333

How to fix

Remediation Available

node-hosted-git-infoDebian

Fixed in:3.0.8-1CVE-2021-23362

node-hosted-git-infoUbuntu

Fixed in:2.5.0-1ubuntu0.1~esm1USN-5216-1

Fixed in:2.8.5-1ubuntu0.1~esm1USN-5216-1

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

3.61%probability of exploitation in 30 days

88thpercentile

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

References

Patch7

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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.