Is CVE-2021-40401 in the CISA KEV catalog?

No. CVE-2021-40401 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40401?

CVE-2021-40401 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2021-40401?

CVE-2021-40401 has an EPSS score of 1.30% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40401?

Upgrade gerbv on debian 11 to 2.7.0-2+deb11u2 or later.

CVE & CISA-KEV Catalog

CVE-2021-40401

HIGH

8.6

CVSS v3

NVD

Description

A use-after-free vulnerability exists in the RS-274X aperture definition tokenization functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and Gerbv forked 2.7.1. A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

CWE-252

How to fix

Remediation Available

gerbvDebian

Fixed in:2.7.0-2+deb11u2CVE-2021-40401

Fixed in:2.9.2-1CVE-2021-40401

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.30%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Exploit1

talosintelligence.com

Third-Party Advisory1

debian.org

Other references1

lists.fedoraproject.org

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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.