SysAid On-Prem up to 23.3.40 Server URL xml external entity reference

Summaryinfo

A vulnerability identified as problematic has been detected in SysAid On-Prem up to 23.3.40. Affected is an unknown function of the component Server URL Handler. The manipulation leads to xml external entity reference. This vulnerability is uniquely identified as CVE-2025-2776. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in SysAid On-Prem up to 23.3.40. This issue affects some unknown functionality of the component Server URL Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed by Jake Knott and Sina Kheirkhah. The advisory is shared at documentation.sysaid.com. The identification of this vulnerability is CVE-2025-2776 since 03/24/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but an exploit is available.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 235661 (SysAid Server < 24.4.60 b16 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 07/22/2025 with a due date of 08/12/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (235661). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• SysAid

Name

• On-Prem

Version

• 23.3.0
• 23.3.1
• 23.3.2
• 23.3.3
• 23.3.4
• 23.3.5
• 23.3.6
• 23.3.7
• 23.3.8
• 23.3.9
• 23.3.10
• 23.3.11
• 23.3.12
• 23.3.13
• 23.3.14
• 23.3.15
• 23.3.16
• 23.3.17
• 23.3.18
• 23.3.19
• 23.3.20
• 23.3.21
• 23.3.22
• 23.3.23
• 23.3.24
• 23.3.25
• 23.3.26
• 23.3.27
• 23.3.28
• 23.3.29
• 23.3.30
• 23.3.31
• 23.3.32
• 23.3.33
• 23.3.34
• 23.3.35
• 23.3.36
• 23.3.37
• 23.3.38
• 23.3.39
• 23.3.40

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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