CVE-2023-27830

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.

CVSS v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce	Exploit Third Party Advisory
https://www.tightvnc.com/news.php	Product Release Notes
https://www.tightvnc.com/whatsnew.php	Product Release Notes
https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce	Exploit Third Party Advisory
https://www.tightvnc.com/news.php	Product Release Notes
https://www.tightvnc.com/whatsnew.php	Product Release Notes

Configurations

Configuration 1 (hide)

cpe:2.3:a:tightvnc:tightvnc:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-04-12 15:15

Updated : 2025-02-08 03:15

NVD link : CVE-2023-27830

Mitre link : CVE-2023-27830

CVE.ORG link : CVE-2023-27830

JSON object : View

Products Affected

tightvnc

tightvnc

CWE

CWE-269

Improper Privilege Management

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