CVE-2025-2776 (GCVE-0-2025-2776)

Vulnerability from cvelistv5 – Published: 2025-05-07 14:50 – Updated: 2025-11-19 18:33
VLAI CISA Shadowserver KEVIntel
Title
SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection
Summary
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.
Severity
9.3 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
SSVC
Exploitation: active Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
SysAid SysAid On-Prem Affected: 0 , ≤ 23.3.40 (custom)
Create a notification for this product.
Credits
Sina Kheirkhah (@SinSinology) Jake Knott watchTowr
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: d041bbcd-43ab-4c19-a576-e2b7c165aeac

Vulnerability ID: CVE-2025-2776

Status: Confirmed

Status Updated: 2025-07-22 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-07-22
Asserted: 2025-07-22
Scope
Notes: KEV entry: SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability | Affected: SysAid / SysAid On-Prem | Description: SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-08-12 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://documentation.sysaid.com/docs/24-40-60 ; https://nvd.nist.gov/vuln/detail/CVE-2025-2776
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-611
Feed CISA Known Exploited Vulnerabilities Catalog
Product SysAid On-Prem
Due Date 2025-08-12
Date Added 2025-07-22
Vendorproject SysAid
Vulnerabilityname SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:25 UTC | Updated: 2026-02-06 07:17 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 424c9732-539a-4cc5-98e5-19d219034d63

Vulnerability ID: CVE-2025-2776

Status: Confirmed

Status Updated: 2026-07-06 00:00 UTC

Exploited: Yes

Characteristics
Severity: 93.0
Timestamps
First Seen: 2025-05-14
Asserted: 2025-05-14
Last Seen: 2026-07-06
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: SysAid / SysAid On-Premise | Class: device-management-platform | Severity: Critical (CVSS 9.3) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-07-06: 3
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class device-management-platform
7D Avg 0
Vendor SysAid
30D Avg 2
90D Avg 1
Product SysAid On-Premise
Cisa Kev yes
Connections 3
Observation Date 2026-07-06
Vulnerability Class CVSS
Vulnerability Score 9.3
Vulnerability Severity Critical
References
Created: 2026-06-30 09:23 UTC | Updated: 2026-07-08 01:03 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7c8b3945-f6e4-471b-927b-d5d69045d4ef

Vulnerability ID: CVE-2025-2776

Status: Confirmed

Status Updated: 2026-06-01 10:37 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection | Affected: SysAid / SysAid On-Prem | CVSS: 9.3 (CRITICAL) | EPSS: 0.72971 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection
Vendor SysAid
Product SysAid On-Prem
Added Date 2026-06-01T10:37:22.535Z
Cvss Score 9.3
Epss Score 0.72971
Cvss Severity CRITICAL
Epss Percentile 0.9938
Used In Malware unknown
Ahead Of Cisa Kev 
{
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  "unit": "day"
}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-06-23 14:03 UTC
Show details on NVD website
To clipboard 

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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.