CVE-2023-27830

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce", "name": "https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce", "tags": ["Exploit", "Third Party Advisory"], "refsource": ""}, {"url": "https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce", "name": "https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce", "tags": ["Exploit", "Third Party Advisory"], "refsource": ""}, {"url": "https://www.tightvnc.com/news.php", "name": "https://www.tightvnc.com/news.php", "tags": ["Product", "Release Notes"], "refsource": ""}, {"url": "https://www.tightvnc.com/news.php", "name": "https://www.tightvnc.com/news.php", "tags": ["Product", "Release Notes"], "refsource": ""}, {"url": "https://www.tightvnc.com/whatsnew.php", "name": "https://www.tightvnc.com/whatsnew.php", "tags": ["Product", "Release Notes"], "refsource": ""}, {"url": "https://www.tightvnc.com/whatsnew.php", "name": "https://www.tightvnc.com/whatsnew.php", "tags": ["Product", "Release Notes"], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-269"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2023-27830", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}}, "publishedDate": "2023-04-12T15:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:tightvnc:tightvnc:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.8.75"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2025-02-08T03:15Z"}