In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message…
Priority LOW 27Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 1 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
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
Why it matters now
EPSS 0.01119 66th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:* | up to 2.2.4 | Vulnerable | Keepalived |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
- cpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:* Versions up to 2.2.4 Vulnerable ·Keepalived
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
Remediation
Red Hat 1 advisory
- RHSA-2022:1930 Released 2022-05-10 · Red Hat rating Moderatekeepalived security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 8) keepalived-2.1.5-8.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2022:1930 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-44225
- 2026-10-03 Alias added: GHSA-jpw2-cwxg-4qv8
References
Sources
- CVE-2021-44225 · CVE Program
- CVE-2021-44225 · NVD
- FIRST EPSS
- GHSA-jpw2-cwxg-4qv8 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-44225 · Red Hat security data · CC BY 4.0
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