CVE-2023-27830

State: Published
Severity: 9.0 Critical
Published: Apr 12, 2023
Updated: Feb 8, 2025
Reserved: Mar 5, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	9.0 Critical	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://www.tightvnc.com/whatsnew.php
https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce
https://www.tightvnc.com/news.php

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