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CVE-2025-7044— Privilege Escalation in MAAS via Websocket Request Manipulation

Quick assessment

Affected
Ubuntu MAAS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Canonical MAAS是Canonical开源的一个用于大规模物理服务器管理和自动化部署的软件。 Canonical MAAS存在安全漏洞，该漏洞源于用户websocket处理程序输入验证不当，可能导致经过身份验证的低权限攻击者提升为管理员角色。

CVSS 7.7 · High EPSS 0.27% · P17
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I. Basic Information for CVE-2025-7044

Vulnerability Information
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Vulnerability Title
Privilege Escalation in MAAS via Websocket Request Manipulation
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Canonical MAAS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canonical MAAS是Canonical开源的一个用于大规模物理服务器管理和自动化部署的软件。 Canonical MAAS存在安全漏洞，该漏洞源于用户websocket处理程序输入验证不当，可能导致经过身份验证的低权限攻击者提升为管理员角色。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Ubuntu MAAS 3.3.0 ~ 3.3.11 -

II. Public POCs for CVE-2025-7044

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III. Intelligence Information for CVE-2025-7044

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IV. Related Vulnerabilities

Same product: MAAS
Same vendor: Ubuntu
Same weakness: CWE-269

V. Comments for CVE-2025-7044

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