CVE-2016-5673

HIGH

UltraVNC Repeater < 1201 - Unauthenticated Open Proxy via IP Address and Port Manipulation

Title source: llm
STIX 2.1

Description

UltraVNC Repeater before 1300 does not restrict destination IP addresses or TCP ports, which allows remote attackers to obtain open-proxy functionality by using a :: substring in between the IP address and port number.

References (3)

Core 3
Core References
Third Party Advisory, US Government Resource x_refsource_confirm
http://www.kb.cert.org/vuls/id/BLUU-A9WQVP
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/735416
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92348

Scores

CVSS v3 7.5
EPSS 0.0187
EPSS Percentile 76.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-284
Status published
Products (1)
ultravnc/repeater < 1201
Published Aug 25, 2016
Tracked Since Feb 18, 2026