CVE-2025-7044: maas Privilege Escalation (CVSS 7.7)

Description

An Improper Input Validation vulnerability exists in the user websocket handler of MAAS. An authenticated, unprivileged attacker can intercept a user.update websocket request and inject the is_superuser property set to true. The server improperly validates this input, allowing the attacker to self-promote to an administrator role. This results in full administrative control over the MAAS deployment.

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CVSS v3.1 Score

7.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weakness Type (CWE)

CWE-269 CWE-269

Affected Products

Vendor	Product	Versions
canonical	maas	3.3.0 — 3.3.11
canonical	maas	3.4.0 — 3.4.9
canonical	maas	3.5.0 — 3.5.9
canonical	maas	3.6.0 — 3.6.2

References

Other References

https://bugs.launchpad.net/maas/+bug/2115714

Frequently Asked Questions

What is CVE-2025-7044? +

An Improper Input Validation vulnerability exists in the user websocket handler of MAAS. An authenticated, unprivileged attacker can intercept a user.update websocket request and inject the is_superuser property set to true. The server improperly validates this input, allowing the attacker to self-promote to an administrator role. This results in full administrative control over the MAAS deployment. It has a CVSS v3.1 base score of 7.7 (HIGH).

How severe is CVE-2025-7044? +

CVE-2025-7044 has a CVSS v3.1 score of 7.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-7044? +

CVE-2025-7044 affects products from canonical, specifically: maas. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-7044? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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