CVE-2021-37848 — Observable Discrepancy in Barebox

CWE-203 — Observable Discrepancy3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 45.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Pengutronix Barebox
Timeline
PublishedAug 2
Latest updateNov 6

Description

common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDpengutronix/barebox2021.07.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

1
GHSA
GHSA-52x7-8654-5f6q: common/password↗2022-05-24
▶

📄Research Papers

1
arXiv
Specification-Guided Vulnerability Detection with Large Language Models↗2025-11-06
▶