What is the CVSS score of CVE-2025-2777?

CVE-2025-2777 has a CVSS 3.1 base score of 9.3 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L. EPSS exploitation probability: 24.6%.

Which versions of Sysaid are affected by CVE-2025-2777?

CVE-2025-2777 presents critical security risk, a XML external entity vulnerability rated CVSS 9.3.

Is there a public PoC exploit available for CVE-2025-2777?

Yes, a public proof-of-concept exploit is available for CVE-2025-2777. Prioritise patching immediately. EPSS: 24.6%.

How to fix or mitigate CVE-2025-2777?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Sysaid CVE-2025-2777

CRITICAL

Improper Restriction of XML External Entity Reference (CWE-611)

2025-05-07 disclosure@vulncheck.com

XXE Sysaid

9.3

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:40 vuln.today

PoC Detected

Jun 27, 2025 - 14:35 vuln.today

Public exploit code

CVE Published

May 07, 2025 - 15:15 nvd

CRITICAL 9.3

DescriptionNVD

AnalysisAI

SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 24.6%.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and file read primitives. Affected products include: Sysaid.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

CVE-2025-2777 vulnerability details – vuln.today

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Sysaid CVE-2025-2777

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code