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Vulnerabilities / CVE-2016-8638

critical

CVE-2016-8638

ipsilon: DoS via logging out all open SAML2 sessions

Published Modified CWE 384
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
GHSA9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat8.2CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Red Hat (high), Oracle (high).

Description

A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability."

Affected packages and fixed versions

SourcePackageFixed in
pip::GitHub Security Advisory pipipsilon2.0.2, 1.2.1, 1.1.2, 1.0.3
Oracle Linux 7ipsilon, ipsilon-authform, ipsilon-authgssapi and 9 more1.0.0-13.el7_3
Show all 13 entries from 2 sources
SourcePackageFixed in
pip::GitHub Security Advisory pipipsilon2.0.2, 1.2.1, 1.1.2, 1.0.3
Oracle Linux 7ipsilon1.0.0-13.el7_3
Oracle Linux 7ipsilon-authform1.0.0-13.el7_3
Oracle Linux 7ipsilon-authgssapi1.0.0-13.el7_3
Oracle Linux 7ipsilon-authldap1.0.0-13.el7_3
Oracle Linux 7ipsilon-base1.0.0-13.el7_3
Oracle Linux 7ipsilon-client1.0.0-13.el7_3
Oracle Linux 7ipsilon-filesystem1.0.0-13.el7_3
Oracle Linux 7ipsilon-infosssd1.0.0-13.el7_3
Oracle Linux 7ipsilon-persona1.0.0-13.el7_3
Oracle Linux 7ipsilon-saml21.0.0-13.el7_3
Oracle Linux 7ipsilon-saml2-base1.0.0-13.el7_3
Oracle Linux 7ipsilon-tools-ipa1.0.0-13.el7_3

References

All 21 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.