Name: CVE-2017-12871: Inadequate Encryption Strength
Creator: Rapid7
Published: 2017-09-01T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2017-12871, CWE-326, CVSS 5.9, EPSS 0.0008

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).

CVSS Details

CVSS 3.0 Base Score: 5.9
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade simplesamlphp	Jul 30, 2024	Sep 1, 2017
Ubuntu	—	No solution exists	Jun 26, 2025	Sep 1, 2017

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CVSS Details

Covered by Rapid7

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