CVE-2016-8638

ipsilon: DoS via logging out all open SAML2 sessions

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Severity

Important

Red Hat Product Security

8.2

CVSS 3.0

Review impact separately from score.

Published · November 21, 2016

Updated · May 13, 2026

Description

A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 8.2
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

CVSS 2.0 · 6.4
AV:N/AC:L/Au:N/C:P/I:N/A:P

CWE-287 · Improper Authentication