Is CVE-2021-26543 in the CISA KEV catalog?

No. CVE-2021-26543 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26543?

CVE-2021-26543 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-26543?

CVE-2021-26543 has an EPSS score of 2.46% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26543?

Upgrade git-parse to 1.0.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-26543

HIGHEPSS 83th pctl

8.8

CVSS v3

NVD

Description

The "gitDiff" function in Wayfair git-parse <=1.0.4 has a command injection vulnerability. Clients of the git-parse library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. The issue has been resolved in version 1.0.5.

CWE-78OS Command Injection

How to fix

Remediation Available

git-parseNVD

Affected:< 1.0.5Fixed in:1.0.5CVE-2021-26543derived 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 ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.46%probability of exploitation in 30 days

83rdpercentile

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

References

Exploit1

advisory.checkmarx.net

Third-Party Advisory1

npmjs.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

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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.