CVE-2022-36436

Katalog CVE

CVSS 9.8 · Critical EPSS 2,1%

Kerentanan Improper Authentication pada osuosl twisted vnc authentication proxy. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

14 September 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-287: Improper Authentication

EPSS (30 hari)

2,1% peluang dieksploitasi; lebih tinggi dari 80,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cert.grnet.gr/en/blog/cve-2022-36436-twisted-vnc-authentication-proxy-authentication-bypass/ exploit · patch
• https://github.com/osuosl/twisted_vncauthproxy/commit/edc149af29242178091b2d6fcd42c3ef0851644b patch
• https://github.com/osuosl/twisted_vncauthproxy/tree/release/1.1.1 release notes
• https://pypi.org/project/VNCAuthProxy/ product