CVE-2021-44225

In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property

• https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3dPatch, Third Party Advisory
• https://github.com/acassen/keepalived/pull/2063Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/04/msg00012.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/
• https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3dPatch, Third Party Advisory
• https://github.com/acassen/keepalived/pull/2063Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/04/msg00012.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/

Published

Nov 26, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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