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CVE-2025-2776— SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection

Quick assessment

Affected
SysAid SysAid On-Prem
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SysAid On-Prem是以色列SysAid公司的一个本地化部署的IT服务管理(ITSM)平台。 SysAid On-Prem 23.3.40及之前版本存在安全漏洞，该漏洞源于Server URL处理功能中存在未经验证的XML外部实体漏洞，可能导致管理员账户接管和任意文件读取。

CVSS 9.3 · Critical KEV EPSS 64.40% · P99

Public Exploits 1

Nuclei · 1 CVE-2025-2776.yaml [template]
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I. Basic Information for CVE-2025-2776

Vulnerability Information
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Vulnerability Title
SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection
Source: CVE Program / CVE List V5
Vulnerability Description
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
SysAid On-Prem 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SysAid On-Prem是以色列SysAid公司的一个本地化部署的IT服务管理(ITSM)平台。 SysAid On-Prem 23.3.40及之前版本存在安全漏洞，该漏洞源于Server URL处理功能中存在未经验证的XML外部实体漏洞，可能导致管理员账户接管和任意文件读取。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
SysAid SysAid On-Prem 0 ~ 23.3.40 -

II. Public POCs for CVE-2025-2776

# POC Description Source Link Shenlong Link
1 SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-2776.yaml POC Details
2 It shook the world in 2017 and has evolved into today’s CVE‑2025‑2776. Microsoft still relies on SMBv1, this article will explain how attackers have tweaked the chain from a simple DLL to a full reverse‑shell stack, and what that means for the defenders. https://github.com/mrk336/From-EternalBlue-to-CVE-2025-2776-The-Evolution-of-an-SMB-Attack POC Details
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III. Intelligence Information for CVE-2025-2776

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Proof of Concept for CVE-2025-2776 (1)

Other References for CVE-2025-2776 (1)

Same Patch Batch · SysAid · 2025-05-07 · 3 CVEs total

CVE-2025-2775 9.3 CRITICAL SysAid On-Prem <= 23.3.40 Checkin Proceessing XML External Entity Injection
CVE-2025-2777 9.3 CRITICAL SysAid On-Prem <= 23.3.40 lshw Proceessing XML External Entity Injection

IV. Related Vulnerabilities

Same product: SysAid On-Prem
Same vendor: SysAid
Same weakness: CWE-611

V. Comments for CVE-2025-2776

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