CVE-2025-2777

CRITICALNVD 9.39.3—Trending — 3 sources updated this weekElevated

9.3

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

CVSS v3: 9.3
EG Score: 9.3(medium)
EPSS: 96.0%
KEV: Not listed

Published

May 7, 2025

Last Modified

June 27, 2025

References (3)

disclosure@vulncheckhttps://documentation.sysaid.com/docs/24-40-60
disclosure@vulncheckhttps://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/
134c704f-9b21-4f2e-91b3-4a467353bcc0https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-611Improper Restriction of XML External Entity Reference (XXE)

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:12 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 05:57 UTCEG score recompute
2026-05-30 05:57 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2025/CVE-2025-2777.yaml
First seen Jan 1, 2025
SysAid On-Prem <= 23.3.40 - XML External Entity
Open source ↗

Frequently asked(5)

What is CVE-2025-2777?

CVE-2025-2777 is a critical vulnerability published on May 7, 2025. SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and file read primitives.

When was CVE-2025-2777 disclosed?

CVE-2025-2777 was first published in the National Vulnerability Database on May 7, 2025, with the most recent update on June 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-2777 actively exploited?

CVE-2025-2777 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-2777?

CVE-2025-2777 has a CVSS v3 base score of 9.3 (NVD).

How do I remediate CVE-2025-2777?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-2777, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-2777

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-2777?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)