CVE Explorer
CVE-2026-3564
A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","modules":["Server component","Server authentication cryptographic material handling"],"product":"ScreenConnect","vendor":"ConnectWise","versions":[{"status":"affected","version":"All server versions prior to 26.1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:41904c8e16c98a305f9c94b02996b06f1552ce0bdf8d859335e00994257477db · sha256:0b0e5eba05abade9… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:41904c8e16c98a305f9c94b02996b06f1552ce0bdf8d859335e00994257477db · sha256:0b0e5eba05abade9… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:41904c8e16c98a305f9c94b02996b06f1552ce0bdf8d859335e00994257477db · sha256:0b0e5eba05abade9… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletin"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:41904c8e16c98a305f9c94b02996b06f1552ce0bdf8d859335e00994257477db · sha256:0b0e5eba05abade9… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.