Is CVE-2021-21372 in the CISA KEV catalog?

No. CVE-2021-21372 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21372?

CVE-2021-21372 has a CVSS v3 base score of 8.3 (HIGH).

What is the EPSS score for CVE-2021-21372?

CVE-2021-21372 has an EPSS score of 3.64% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21372?

Upgrade nim on debian 11 to 1.4.6+really1.4.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-21372

HIGHEPSS 88th pctl

8.3

CVSS v3

NVD

Description

Nimble is a package manager for the Nim programming language. In Nim release version before versions 1.2.10 and 1.4.4, Nimble doCmd is used in different places and can be leveraged to execute arbitrary commands. An attacker can craft a malicious entry in the packages.json package list to trigger code execution.

CWE-20Improper Input Validation CWE-74Injection CWE-78OS Command Injection

How to fix

Remediation Available

nimDebian

Fixed in:1.4.6+really1.4.2-1CVE-2021-21372

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 InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.64%probability of exploitation in 30 days

88thpercentile

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

References

Patch1

github.com

Exploit1

consensys.net

Third-Party Advisory2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	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.