Vulnerability Monitor

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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.

Published

2023-04-12T15:15:12.830

Last Modified

2025-02-08T03:15:10.200

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.0 (CRITICAL)

Weaknesses

Type: Primary
CWE-269
Type: Secondary
CWE-269

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	tightvnc	tightvnc	< 2.8.75	Yes

References

https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce Exploit, Third Party Advisory ([email protected])
https://www.tightvnc.com/news.php Product, Release Notes ([email protected])
https://www.tightvnc.com/whatsnew.php Product, Release Notes ([email protected])
https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.tightvnc.com/news.php Product, Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://www.tightvnc.com/whatsnew.php Product, Release Notes (af854a3a-2127-422b-91ae-364da2661108)