What’s Vulnerable › Vulnerabilities

CVE-2021-37848

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-02 · updated 2026-06-17
• Weakness: CWE-203

Description

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

Affected products

• barebox: through 2021.07.0

References

• https://gist.github.com/gquere/816dfadbad98745090034100a8a651eb
• https://github.com/saschahauer/barebox/commit/a3337563c705bc8e0cf32f910b3e9e3c43d962ff
• https://gist.github.com/gquere/816dfadbad98745090034100a8a651eb
• https://github.com/saschahauer/barebox/commit/a3337563c705bc8e0cf32f910b3e9e3c43d962ff

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