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CVE-2025-66028— OneUptime is Vulnerable to Privilege Escalation via Login Response Manipulation

Quick assessment

Affected
OneUptime oneuptime
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.

OneUptime是OneUptime开源的一个全面的解决方案。用于监控和管理您的在线服务。 OneUptime 8.0.5567之前版本存在访问控制错误漏洞，该漏洞源于登录响应操纵，可能导致权限提升。

AI Predicted 8.1 Difficulty: Easy EPSS 0.30% · P21
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I. Basic Information for CVE-2025-66028

Vulnerability Information
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Vulnerability Title
OneUptime is Vulnerable to Privilege Escalation via Login Response Manipulation
Source: CVE Program / CVE List V5
Vulnerability Description
OneUptime is a solution for monitoring and managing online services. Prior to version 8.0.5567, OneUptime is vulnerable to privilege escalation via Login Response Manipulation. During the login process, the server response included a parameter called isMasterAdmin. By intercepting and modifying this parameter value from false to true, it is possible to gain access to the admin dashboard interface. However, an attacker may be unable to view or interact with the data if they still do not have sufficient permissions. This issue has been patched in version 8.0.5567.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OneUptime 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OneUptime是OneUptime开源的一个全面的解决方案。用于监控和管理您的在线服务。 OneUptime 8.0.5567之前版本存在访问控制错误漏洞，该漏洞源于登录响应操纵，可能导致权限提升。
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
OneUptime oneuptime < 8.0.5567 -

II. Public POCs for CVE-2025-66028

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III. Intelligence Information for CVE-2025-66028

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IV. Related Vulnerabilities

Same product: oneuptime
Same vendor: OneUptime
Same weakness: CWE-284

V. Comments for CVE-2025-66028

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