CVE-2017-12869

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-01 · updated 2026-06-17
Weakness: CWE-20

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 products

Debian Linux: 7.0, 8.0, 9.0
simplesamlphp: through 1.14.13

References

https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
https://simplesamlphp.org/security/201704-02
https://www.debian.org/security/2018/dsa-4127
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
https://simplesamlphp.org/security/201704-02
https://www.debian.org/security/2018/dsa-4127

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