CVE-2021-40402

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

An out-of-bounds read vulnerability exists in the RS-274X aperture macro multiple outline primitives functionality of Gerbv 2.7.0 and dev (commit b5f1eacd), and Gerbv forked 2.7.1 and 2.8.0. A specially-crafted Gerber file can lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

Se presenta una vulnerabilidad de lectura fuera de límites en la funcionalidad de primitivas de contorno múltiple de la macro RS-274X de Gerbv versiones 2.7.0 y dev (commit b5f1eacd), y Gerbv forked versiones 2.7.1 y 2.8.0. Un archivo Gerber especialmente diseñado puede conllevar a una divulgación de información. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2021-09-01 CVE Reserved
2022-04-14 CVE Published
2025-04-15 CVE Updated
2025-04-15 First Exploit
2025-04-16 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-125: Out-of-bounds Read
CWE-755: Improper Handling of Exceptional Conditions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1416	2025-04-15

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gerbv Project Search vendor "Gerbv Project"		Gerbv Search vendor "Gerbv Project" for product "Gerbv"				2.7.0 Search vendor "Gerbv Project" for product "Gerbv" and version "2.7.0"		-		Affected
Gerbv Project Search vendor "Gerbv Project"		Gerbv Search vendor "Gerbv Project" for product "Gerbv"				2.7.0 Search vendor "Gerbv Project" for product "Gerbv" and version "2.7.0"		dev		Affected
Gerbv Project Search vendor "Gerbv Project"		Gerbv Search vendor "Gerbv Project" for product "Gerbv"				2.7.1 Search vendor "Gerbv Project" for product "Gerbv" and version "2.7.1"		-		Affected
Gerbv Project Search vendor "Gerbv Project"		Gerbv Search vendor "Gerbv Project" for product "Gerbv"				2.8.0 Search vendor "Gerbv Project" for product "Gerbv" and version "2.8.0"		-		Affected