VULNERABILITY INTELLIGENCE

CVE-2017-12871

CVSS score5.9 MEDIUM
EPSS probability0.49%
CISA KEVNot currently listed
Published2017-09-01
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

The aesEncrypt method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.x through 1.14.11 makes it easier for context-dependent attackers to bypass the encryption protection mechanism by leveraging use of the first 16 bytes of the secret key as the initialization vector (IV).

Weakness classification

  • CWE-326: Inadequate Encryption Strength

Primary references