CVE-2021-40400 - CVE House
Back to Database
Status published Critical CVE-2021-40400

An out-of-bounds read vulnerability exists in the RS-274X aperture macro...

Vulnerability Description

An out-of-bounds read vulnerability exists in the RS-274X aperture macro outline primitive functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit d7f42a9a). A specially-crafted Gerber file can lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-40400

Credits & Attribution

No credits recorded in the NVD database.

References

More from Gerbv

View All →
CVE-2023-4508
Denial of Service in Gerbv
Medium 5.5
CVE-2021-40402
An out-of-bounds read vulnerability exists in the RS-274X aperture macro...
Critical 9.3

Affected Vendor

Affected Software

Gerbv, Gerbv forked
Vulnerable Versions:
2.7.0, dev (commit b5f1eacd), dev (commit d7f42a9a)

Timeline

Official Publish: April 14th, 2022
Last Modified: April 15th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H

Weaknesses (CWE)

CWE-119

MITRE ATT&CK TTPs

T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1203 Exploitation for Client Execution
Execution
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control