CVE-2016-7037

7.5 highEPSS 0.7%

High (7.5) in emarref jwt. EPSS 0.7% chance of exploitation in the next 30 days.

The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.

Severity

CVSS 3.0

7.5 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-361
Published: 2017-01-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

emarref:jwt

References

http://www.securityfocus.com/bid/95847
https://github.com/emarref/jwt/pull/20
https://github.com/emarref/jwt/releases/tag/1.0.3
http://www.securityfocus.com/bid/95847
https://github.com/emarref/jwt/pull/20

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