CVE-2024-42049
TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a...
TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
9.1
TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.
- Record
CVE-2024-42049- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2024-39417
9.1
TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.
- Record
EUVD-2024-39417- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-94g7-q96f-v54w
9.1
TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a...
TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.
- Record
GHSA-94g7-q96f-v54w- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
9.1
TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.
- Record
CVE-2024-42049- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | TightVNC 2.8.83 - Control Pipe Manipulation | 2025-06-09 |
| PoC in GitHub | zeved/CVE-2024-42049-PoC | 2025-06-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-42049 is a critical vulnerability (CVSS 9.1) in Tightvnc, published July 28, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. No source names a fixed version.