CVE-2016-5673

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.37% Top 25%
Third-Party Advisory cert.org Third-Party Advisory cert.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kb.cert.org/vuls/id/BLUU-A9WQVP third party advisory us government resource
http://www.kb.cert.org/vuls/id/735416 third party advisory us government resource
http://www.securityfocus.com/bid/92348 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-5673?
CVE-2016-5673 has been scored as a high severity vulnerability.
How to fix CVE-2016-5673?
To fix CVE-2016-5673, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-5673 being actively exploited in the wild?
It is possible that CVE-2016-5673 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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