{ "CVE_data_meta": { "ASSIGNER": "zdi-disclosures@trendmicro.com", "ID": "CVE-2021-34986", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Desktop", "version": { "version_data": [ { "version_value": "16.5.0 (49183)" } ] } } ] }, "vendor_name": "Parallels" } ] } }, "credit": "say2", "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition" } ] } ] }, "references": { "reference_data": [ { "url": "https://kb.parallels.com/en/125013", "refsource": "MISC", "name": "https://kb.parallels.com/en/125013" }, { "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-385/", "refsource": "MISC", "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-385/" } ] }, "impact": { "cvss": { "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0" } } }