VULNERABILITY INTELLIGENCE
CVE-2017-20240
CVSS score5.9 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-06-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
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 classification
- CWE-208: Observable Timing Discrepancy