CVE-2017-20240

—

CVSS 3.1

5.9 medium

EPSS

<1%p25

Published

Jun 12, 2026 (Jun 12, 2026)

Modified

Jun 17, 2026

Description

Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks. These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.

Weakness: CWE-208
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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