CVE-2026-59836

A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://fortiguard.fortinet.com/psirt/FG-IR-26-147	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:forticlientems::::::::
	cpe:2.3:a:fortinet:forticlientems::::::::

History

No history.

Information

Published : 2026-07-14 16:17

Updated : 2026-07-15 15:00

NVD link : CVE-2026-59836

Mitre link : CVE-2026-59836

CVE.ORG link : CVE-2026-59836

JSON object : View

Products Affected

fortinet

forticlientems

CWE

CWE-295

Improper Certificate Validation

{"id": "CVE-2026-59836", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59836", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-14T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "psirt@fortinet.com", "affectedData": [{"cpes": ["cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.4.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.4.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.4.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.14:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.13:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.12:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.10:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.9:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.8:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.7:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.6:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.5:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.4:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:forticlientems:7.2.0:*:*:*:*:*:*:*"], "vendor": "Fortinet", "product": "FortiClientEMS", "versions": [{"status": "affected", "version": "7.4.3", "versionType": "semver", "lessThanOrEqual": "7.4.5"}, {"status": "affected", "version": "7.4.0", "versionType": "semver", "lessThanOrEqual": "7.4.1"}, {"status": "affected", "version": "7.2.12", "versionType": "semver", "lessThanOrEqual": "7.2.14"}, {"status": "affected", "version": "7.2.0", "versionType": "semver", "lessThanOrEqual": "7.2.10"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-14T16:17:02.727", "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-147", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@fortinet.com", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>"}], "lastModified": "2026-07-15T15:00:03.010", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C14D03A0-DDAB-4B40-92E1-65E2EB388F0B", "versionEndIncluding": "7.4.1", "versionStartIncluding": "7.2.0"}, {"criteria": "cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "540023A6-0E3D-4E05-8F3B-577A9AAAC973", "versionEndExcluding": "7.4.6", "versionStartIncluding": "7.4.3"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}