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Vulnerable Software

Vulnerability Details CVE-2020-15166

In ZeroMQ before version 4.3.3, there is a denial-of-service vulnerability. Users with TCP transport public endpoints, even with CURVE/ZAP enabled, are impacted. If a raw TCP socket is opened and connected to an endpoint that is fully configured with CURVE/ZAP, legitimate clients will not be able to exchange any message. Handshakes complete successfully, and messages are delivered to the library, but the server application never receives them. This is patched in version 4.3.3.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.01

EPSS Ranking 75.3%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

Products affected by CVE-2020-15166

Zeromq » Libzmq » Version: 4.0.9

cpe:2.3:a:zeromq:libzmq:4.0.9
Zeromq » Libzmq » Version: 4.1.0

cpe:2.3:a:zeromq:libzmq:4.1.0
Zeromq » Libzmq » Version: 4.1.7

cpe:2.3:a:zeromq:libzmq:4.1.7
Zeromq » Libzmq » Version: 4.2.0

cpe:2.3:a:zeromq:libzmq:4.2.0
Zeromq » Libzmq » Version: 4.2.1

cpe:2.3:a:zeromq:libzmq:4.2.1
Zeromq » Libzmq » Version: 4.2.2

cpe:2.3:a:zeromq:libzmq:4.2.2
Zeromq » Libzmq » Version: 4.2.3

cpe:2.3:a:zeromq:libzmq:4.2.3
Zeromq » Libzmq » Version: 4.2.4

cpe:2.3:a:zeromq:libzmq:4.2.4
Zeromq » Libzmq » Version: 4.2.5

cpe:2.3:a:zeromq:libzmq:4.2.5
Zeromq » Libzmq » Version: 4.3.0

cpe:2.3:a:zeromq:libzmq:4.3.0
Zeromq » Libzmq » Version: 4.3.1

cpe:2.3:a:zeromq:libzmq:4.3.1
Zeromq » Libzmq » Version: 4.3.2

cpe:2.3:a:zeromq:libzmq:4.3.2
Debian » Debian Linux » Version: 9.0

cpe:2.3:o:debian:debian_linux:9.0
Fedoraproject » Fedora » Version: 32

cpe:2.3:o:fedoraproject:fedora:32
Fedoraproject » Fedora » Version: 33

cpe:2.3:o:fedoraproject:fedora:33

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2020-15166

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