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.
CVE-2025-2775
Score elevated to 9.3 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-07-22), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.3 retained for reference. Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.3
- EG Score
- 9.3(high)
- EG Risk
- 97(Attend)EG Risk 97/100SSVC: Attend
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity93% × 45%Exploitation100% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- 43%
- EPSS %ILE
- 99%
- KEV
- ⚠ Exploited
Published
May 7, 2025
Last Modified
October 27, 2025
Advisory Details (3)
Auto-updated Sep 15, 2026Known Exploited Vulnerabilities Catalog | CISA
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2775SysOwned, Your Friendly Support Ticket - SysAid On-Premise Pre-Auth RCE Chain (CVE-2025-2775 And Friends)
https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 57× in last 7d / 249× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 903 total refreshes for this CVE.
- 2026-09-20 19:27 UTCGHSA enrichment
- 2026-09-20 15:36 UTCGHSA enrichment
- 2026-09-20 11:44 UTCGHSA enrichment
- 2026-09-20 07:50 UTCGHSA enrichment
- 2026-09-20 03:59 UTCGHSA enrichment
- 2026-09-20 00:08 UTCGHSA enrichment
- 2026-09-19 20:17 UTCGHSA enrichment
- 2026-09-19 16:26 UTCEG score recompute
- 2026-09-19 16:26 UTCGHSA enrichment
- 2026-09-19 12:35 UTCGHSA enrichment
- 2026-09-19 08:43 UTCGHSA enrichment
- 2026-09-19 04:52 UTCGHSA enrichment
- 2026-09-19 01:01 UTCGHSA enrichment
- 2026-09-18 21:10 UTCEG score recompute
- 2026-09-18 21:10 UTCGHSA enrichment
- 2026-09-18 19:27 UTCEPSS rescore
- 2026-09-18 19:20 UTCCISA KEV update
- 2026-09-18 17:19 UTCGHSA enrichment
- 2026-09-18 14:15 UTCCISA KEV update
- 2026-09-18 13:28 UTCGHSA enrichment
- 2026-09-18 09:37 UTCGHSA enrichment
- 2026-09-18 05:46 UTCGHSA enrichment
- 2026-09-18 01:55 UTCGHSA enrichment
- 2026-09-17 22:04 UTCEG score recompute
- 2026-09-17 22:04 UTCGHSA enrichment
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- 2026-09-17 18:12 UTCGHSA enrichment
- 2026-09-17 14:22 UTCGHSA enrichment
- 2026-09-17 10:30 UTCGHSA enrichment
- 2026-09-17 06:38 UTCGHSA enrichment
- 2026-09-17 02:44 UTCGHSA enrichment
- 2026-09-16 22:50 UTCGHSA enrichment
- 2026-09-16 18:59 UTCGHSA enrichment
- 2026-09-16 15:08 UTCEG score recompute
- 2026-09-16 15:08 UTCGHSA enrichment
- 2026-09-16 14:10 UTCCISA KEV update
- 2026-09-16 14:07 UTCEPSS rescore
- 2026-09-16 11:16 UTCGHSA enrichment
- 2026-09-16 07:26 UTCEG score recompute
- 2026-09-16 07:26 UTCGHSA enrichment
- 2026-09-16 05:13 UTCEPSS rescore
- 2026-09-16 03:35 UTCGHSA enrichment
- 2026-09-15 23:44 UTCGHSA enrichment
- 2026-09-15 19:53 UTCGHSA enrichment
- 2026-09-15 16:01 UTCGHSA enrichment
- 2026-09-15 12:11 UTCGHSA enrichment
- 2026-09-15 08:20 UTCGHSA enrichment
- 2026-09-15 04:29 UTCEG score recompute
- 2026-09-15 04:29 UTCGHSA enrichment
- 2026-09-15 00:37 UTCGHSA enrichment
- 2026-09-14 20:46 UTCGHSA enrichment
- 2026-09-14 19:24 UTCCISA KEV update
- 2026-09-14 16:55 UTCGHSA enrichment
- 2026-09-14 13:04 UTCGHSA enrichment
- 2026-09-14 09:13 UTCGHSA enrichment
- 2026-09-14 05:22 UTCGHSA enrichment
- 2026-09-14 01:31 UTCGHSA enrichment
- 2026-09-13 21:40 UTCGHSA enrichment
- 2026-09-13 17:49 UTCGHSA enrichment
- 2026-09-13 13:58 UTCGHSA enrichment
- 2026-09-13 10:07 UTCGHSA enrichment
- 2026-09-13 06:16 UTCGHSA enrichment
- 2026-09-13 02:24 UTCGHSA enrichment
- 2026-09-12 22:34 UTCGHSA enrichment
- 2026-09-12 18:43 UTCEG score recompute
- 2026-09-12 18:43 UTCGHSA enrichment
- 2026-09-12 15:00 UTCEPSS rescore
- 2026-09-12 14:52 UTCGHSA enrichment
- 2026-09-12 11:00 UTCGHSA enrichment
- 2026-09-12 07:10 UTCGHSA enrichment
- 2026-09-12 03:19 UTCGHSA enrichment
- 2026-09-11 23:28 UTCGHSA enrichment
- 2026-09-11 19:37 UTCGHSA enrichment
- 2026-09-11 18:49 UTCCISA KEV update
- 2026-09-11 15:46 UTCEG score recompute
- 2026-09-11 15:46 UTCGHSA enrichment
- 2026-09-11 14:52 UTCEPSS rescore
- 2026-09-11 11:55 UTCEG score recompute
- 2026-09-11 11:55 UTCGHSA enrichment
- 2026-09-11 09:35 UTCEPSS rescore
- 2026-09-11 08:04 UTCGHSA enrichment
- 2026-09-11 04:13 UTCGHSA enrichment
- 2026-09-11 00:22 UTCGHSA enrichment
- 2026-09-10 20:31 UTCGHSA enrichment
- 2026-09-10 19:28 UTCCISA KEV update
- 2026-09-10 16:40 UTCGHSA enrichment
- 2026-09-10 12:49 UTCEG score recompute
- 2026-09-10 12:49 UTCGHSA enrichment
- 2026-09-10 09:33 UTCEPSS rescore
- 2026-09-10 08:57 UTCGHSA enrichment
- 2026-09-10 05:04 UTCGHSA enrichment
- 2026-09-10 01:12 UTCGHSA enrichment
- 2026-09-09 21:21 UTCGHSA enrichment
- 2026-09-09 19:08 UTCCISA KEV update
- 2026-09-09 17:28 UTCGHSA enrichment
- 2026-09-09 13:37 UTCGHSA enrichment
- 2026-09-09 09:46 UTCGHSA enrichment
- 2026-09-09 05:55 UTCGHSA enrichment
- 2026-09-09 02:03 UTCGHSA enrichment
- 2026-09-08 22:12 UTCGHSA enrichment
- 2026-09-08 18:54 UTCCISA KEV update
Publicly available exploits
(2 references)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCwatchtowrlabs/watchTowr-vs-SysAid-PreAuth-RCE-ChainFirst seen Mar 28, 2025
PoC for SysAid PreAuth RCE Chain (CVE-2025-2775, CVE-2025-2776, CVE-2025-2777, CVE-2025-2778)
Open source ↗ - Nucleihttp/cves/2025/CVE-2025-2775.yamlFirst seen Jan 1, 2025
SysAid On-Prem <= 23.3.40 - XML External Entity
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-611
Frequently asked(6)
What is CVE-2025-2775?
When was CVE-2025-2775 disclosed?
Is CVE-2025-2775 actively exploited?
What is the CVSS score of CVE-2025-2775?
Which products are affected by CVE-2025-2775?
How do I remediate CVE-2025-2775?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-2775
Is Your Infrastructure Affected by CVE-2025-2775?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.