SysAid On-Prem up to 23.3.40 Checkin Processing xml external entity reference

Summaryinfo

A vulnerability was found in SysAid On-Prem up to 23.3.40. It has been declared as problematic. The impacted element is an unknown function of the component Checkin Processing. Such manipulation leads to xml external entity reference. This vulnerability is traded as CVE-2025-2775. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in SysAid On-Prem up to 23.3.40. It has been rated as critical. Affected by this issue is some unknown processing of the component Checkin Processing. 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. CVE summarizes:

SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.

The weakness was shared by Jake Knott and Sina Kheirkhah. The advisory is available at documentation.sysaid.com. This vulnerability is handled as CVE-2025-2775 since 03/24/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for 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. This issue was added on 07/22/2025 to the CISA Known Exploited Vulnerabilities Catalog 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 best quality of vulnerability data, you may have to visit 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 best quality of vulnerability data, you may have to visit VulDB.

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