CVEvulnerability
CVE-2023-27830
9.0 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2023-04-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-269
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.
Affected configurations
• tightvnc tightvnc (< 2.8.75)
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- 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