CVE-2017-20240EPSS p23.5%
CVE-2017-20240CVE-2017-20240
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.
Scoring
| CVSS | 5.9 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.32% probability of exploitation · percentile 23.5% · 2026-06-19T12:03:05Z |
| Last modified | 2026-06-12 |