CVE-2017-20240

MEDIUM5.9

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

Published Jun 12, 2026

Modified 1 months ago

Details

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.

References

CVSS Analysis

CVSS v3.1

5.9

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

5.9/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedJun 12, 2026

ModifiedJun 12, 2026