Is CVE-2025-2776 in the CISA KEV catalog?

Yes. CVE-2025-2776 is on the CISA Known Exploited Vulnerabilities list, added 2025-07-22.

What is the CVSS severity of CVE-2025-2776?

CVE-2025-2776 has a CVSS v3 base score of 9.3 (CRITICAL).

What is the EPSS score for CVE-2025-2776?

CVE-2025-2776 has an EPSS score of 72.97% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-2776?

No published fix for CVE-2025-2776 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2025-08-12. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2025-2776

CRITICALCISA KEVEPSS 99th pctl

9.3

CVSS v3

NVD

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.

CWE-611XML External Entity (XXE)

How to fix

Actively exploited, no published fix found yet

CISA 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.

Federal remediation due: 2025-08-12

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

72.97%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability

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.

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

Remediation due: 2025-08-12

References

Exploit1

labs.watchtowr.com

Government Resource1

cisa.gov

Release Notes1

documentation.sysaid.com

Related Vulnerabilities

Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-34102	Critical	9.8	100%	KEV	Fix
CVE-2019-9670	Critical	9.8	100%	KEV	Fix
CVE-2022-28219	Critical	9.8	97%	-	-
CVE-2024-22024	High	8.3	95%	-	-
CVE-2024-38653	High	7.5	92%	-	-
CVE-2017-12629	Critical	9.8	92%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.