Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
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| WatchGuard | Fireware OS | unaffected |
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| WatchGuard | Fireware OS | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Watchguard | Fireware Os |
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| Watchguard | Fireware Os |
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Vendor Solution
Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.237% probability within 30 days)
| Link | Providers |
|---|---|
| https://psirt.watchguard.com/CVE-2026-90465 |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | A missing authentication vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to invoke privileged firewall management actions as root by sending a specially crafted request. | |
| Title | Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation | |
| First Time appeared |
Watchguard
Watchguard fireware Os |
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| Weaknesses | CWE-290 CWE-306 CWE-77 CWE-862 |
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| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard
Watchguard fireware Os |
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| References |
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| Metrics |
cvssV4_0
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