CVE-2023-27830

CRITICAL

9.0

Description

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.

CVE Details

CVSS v3.1 Score9.0

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published4/12/2023

Last Modified2/8/2025

Sourcenvd

Honeypot Sightings0

Affected Products

tightvnc:tightvnc

Weaknesses (CWE)

CWE-269CWE-269

References

https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce(cve@mitre.org)

https://www.tightvnc.com/news.php(cve@mitre.org)

https://www.tightvnc.com/whatsnew.php(cve@mitre.org)

https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce(af854a3a-2127-422b-91ae-364da2661108)

https://www.tightvnc.com/news.php(af854a3a-2127-422b-91ae-364da2661108)

https://www.tightvnc.com/whatsnew.php(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.