CVE-2026-4434

{"id": "CVE-2026-4434", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2026-03-20T13:16:13.043", "references": [{"url": "https://devolutions.net/security/advisories/DEVO-2026-0005/", "tags": ["Vendor Advisory"], "source": "security@devolutions.net"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@devolutions.net", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification."}, {"lang": "es", "value": "La validaci\u00f3n de certificado incorrecta en las conexiones WinRM de propagaci\u00f3n de PAM permite a un atacante de red realizar un ataque man-in-the-middle a trav\u00e9s de la verificaci\u00f3n de certificado TLS deshabilitada."}], "lastModified": "2026-03-30T15:23:51.527", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53FC3C38-3A6C-4AE1-B2CA-10B238EE6BE1", "versionEndExcluding": "2026.1.6.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@devolutions.net"}