7.8
HIGH CVSS 3.1
CVE-2022-27502
RealVNC VNC Server Local Privilege Escalation Vulnerability
Description

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.

INFO

Published Date :

June 10, 2022, 1:15 p.m.

Last Modified :

Nov. 21, 2024, 6:55 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2022-27502 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Realvnc vnc_server
1 Microsoft windows
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2022-27502 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-27502 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-27502 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Mass Vulnerability Scanner

Python

Updated: 4 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : April 14, 2025, 10:04 a.m. This repo has been linked 5 different CVEs too.

Imoro Umar Farouq's report on Internal Network Penetration Testing

Shell

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Sept. 12, 2024, 11:46 a.m. This repo has been linked 161 different CVEs too.

None

Updated: 2 years, 5 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 928 different CVEs too.

None

Updated: 1 year, 7 months ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.

Exploit of RealVNC VNC Server

privilege-escalation windows dll-hijacking cve-2022-27502

C++ C

Updated: 1 year, 1 month ago
28 stars 7 fork 7 watcher
Born at : Oct. 18, 2022, 6:31 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-27502 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-27502 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference 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
    Added Reference https://realvnc.com
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 17, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type 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 No Types Assigned 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 Vendor Advisory
    Changed Reference Type https://realvnc.com No Types Assigned https://realvnc.com Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:a:realvnc:vnc_server:*:*:*:*:*:*:*:* versions from (including) 5.1.0 up to (excluding) 6.9.1 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.46 }} 0.08%

score

0.63163

percentile