CVE-2017-12869
HIGH7.5EPSS 0.42%SimpleSAMLphp Authentication context bypass in the multiauth module
Published: 5/14/2022Modified: 4/28/2026
Description
The multiauth module in SimpleSAMLphp 1.14.13 and earlier allows remote attackers to bypass authentication context restrictions and use an authentication source defined in config/authsources.php via vectors related to improper validation of user input.
Affected packages (2)
- Debian/simplesamlphpfrom 0, < 1.14.15-1
- Packagist/simplesamlphp/simplesamlphpfrom 0, < 1.14.14
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-12869
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2017-12869
- PATCHhttps://github.com/simplesamlphp/simplesamlphp
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12869.yaml
- WEBhttps://github.com/simplesamlphp/simplesamlphp/blob/de98fc5bb663feea16686ae77958f759b4a7638d/docs/simplesamlphp-changelog-1.x.md?plain=1#L902C64-L902C79
- WEBhttps://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
- WEBhttps://simplesamlphp.org/security/201704-02
- WEBhttps://www.debian.org/security/2018/dsa-4127