What’s Vulnerable › Vulnerabilities

CVE-2017-12159

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-10-26 · updated 2026-06-17
• Weakness: CWE-613

Description

It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks.

Affected products

• Keycloak: all versions
• RedHat Single Sign On: 7.0, 7.1

References

• http://www.securityfocus.com/bid/101601
• https://access.redhat.com/errata/RHSA-2017:2904
• https://access.redhat.com/errata/RHSA-2017:2905
• https://access.redhat.com/errata/RHSA-2017:2906
• https://bugzilla.redhat.com/show_bug.cgi?id=1484111
• http://www.securityfocus.com/bid/101601
• https://access.redhat.com/errata/RHSA-2017:2904
• https://access.redhat.com/errata/RHSA-2017:2905
• https://access.redhat.com/errata/RHSA-2017:2906
• https://bugzilla.redhat.com/show_bug.cgi?id=1484111

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