CVE-2022-27502 : RealVNC VNC Server 6.9.0 through 5.1.0 for Windows allows local privilege escala

RealVNC VNC Server 6.9.0 through 5.1.0 for Windows allows local privilege escalation because an installer repair operation executes %TEMP% files as SYSTEM.

Published 2022-06-10 13:15:08

Updated 2022-06-17 16:22:21

Source MITRE

View at NVD, CVE.org

Vulnerability category: Gain privilege

Products affected by CVE-2022-27502

Realvnc » Vnc Server
Versions from including (>=) 5.1.0 and before (<) 6.9.1
cpe:2.3:a:realvnc:vnc_server:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-27502

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-27502

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2022-27502

https://help.realvnc.com/hc/en-us/articles/360002478311-Are-there-any-known-security-vulnerabilities-#cve-2008-4770-moderate-%E2%80%94-only-affects-vnc-viewer--0-1

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Vendor Advisory
https://realvnc.com

RealVNC® - Remote access software for desktop and mobile | RealVNC
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Vulnerability Details : CVE-2022-27502

Products affected by CVE-2022-27502

Exploit prediction scoring system (EPSS) score for CVE-2022-27502

CVSS scores for CVE-2022-27502

References for CVE-2022-27502