CVEvulnerability

CVE-2022-36436

9.8 CRITICAL Published 2022-09-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-09-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-287

Description

OSU Open Source Lab VNCAuthProxy through 1.1.1 is affected by an vncap/vnc/protocol.py VNCServerAuthenticator authentication-bypass vulnerability that could allow a malicious actor to gain unauthorized access to a VNC session or to disconnect a legitimate user from a VNC session. A remote attacker with network access to the proxy server could leverage this vulnerability to connect to VNC servers protected by the proxy server without providing any authentication credentials. Exploitation of this issue requires that the proxy server is currently accepting connections for the target VNC server.

Affected configurations

• osuosl twisted vnc authentication proxy (< 1.2.0)

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

Referenced by CWE · observed example (1)

  • CWE-287 Improper Authentication weakness

References