Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2017-20240

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/06/2026
Last modified:
12/06/2026

Description

Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks.<br /> <br /> These versions use Perl&amp;#39;s built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.90
Severity 3.x
MEDIUM

References to Advisories, Solutions, and Tools