CVE-2017-20240

MEDIUM

Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 5.9
EPSS 0.0032
EPSS Percentile 23.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-208
Status published
Products (1)
ARODLAND/Crypt::PBKDF2 < 0.261630
Published Jun 12, 2026
Tracked Since Jun 12, 2026