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

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.

9.3 CRITICALEPSS 43.17%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 09:07 UTC

OverviewCVSS details

9.3CRITICALCVSS 3.1

Score source: VulnCheck (CNA)
NVD status: Analyzed
Published: May 7, 2025
Assigner: VulnCheck

Affected

SysAid On-Prem (SysAid)

Versions: through 23.3.40

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Jul 22, 2025
KEV due date: Aug 12, 2025
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact partial

EPSS · FIRST, scored Nov 7

43.17%chance of exploitation in 30 days

Higher than 98.73% of CVEs

CVSS 3.1 · VulnCheck (CNA)

9.3Critical

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 impact: High
Integrity impact: None
Availability impact: Low

CVSS 3.1 · NVD

7.5High

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: None
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.3	CRITICAL	3.1VulnCheck (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
7.5	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA required action

⚡ Known exploited · remediation due Aug 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.

Details

CVE ID: CVE-2025-2775
Status: Analyzed
Assigner (CNA): VulnCheck
Published: May 7, 2025
Last modified: 2026-06-17 09:07 UTC
Weaknesses: CWE-611 · Improper Restriction of XML External Entity Reference

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 11:29 UTC.