CVE-2017-12871

MediumCVSS 5.9/10Last modified Jun 17, 2026

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).

Metrics

CVSS 3.0 5.9/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-326

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/simplesamlphp/simplesamlphp/commit/77df6a932d46daa35e364925eb73a175010dc904Issue Tracking, Patch, Third Party Advisory
https://simplesamlphp.org/security/201703-02Issue Tracking, Patch, Third Party Advisory
https://github.com/simplesamlphp/simplesamlphp/commit/77df6a932d46daa35e364925eb73a175010dc904Issue Tracking, Patch, Third Party Advisory
https://simplesamlphp.org/security/201703-02Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Sep 1, 2017
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

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