How to fix CVE-2025-2777?

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

Is Sysaid affected by CVE-2025-2777?

CVE-2025-2777 presents critical security risk, a XML external entity vulnerability rated CVSS 9.3. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. With an EPSS score of 25%, exploitation is likely in exposed deployments.

CVE-2025-2777

CRITICAL

2025-05-07 [email protected]

9.3

CVSS 3.1

CVSS Vector

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

Description

Analysis

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 Context

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.

Affected Products

Sysaid.

Remediation

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.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +24.6

CVSS: +46

POC: +20

CVE-2025-2777 vulnerability details – vuln.today

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CVE-2025-2777

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

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CVE-2025-2777

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code