CVE-2014-9721

Description

libzmq before 4.0.6 and 4.1.x before 4.1.1 allows remote attackers to conduct downgrade attacks and bypass ZMTP v3 protocol security mechanisms via a ZMTP v2 or earlier header.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/zeromq/zeromq4-x/commit/b6e3e0f601e2c1ec1f3aac880ed6a3fe63043e51
http://www.debian.org/security/2015/dsa-3255 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/159176.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-06/msg00018.html vendor advisory
https://github.com/zeromq/libzmq/issues/1273

Frequently Asked Questions

What is the severity of CVE-2014-9721?
CVE-2014-9721 has been scored as a medium severity vulnerability.
How to fix CVE-2014-9721?
To fix CVE-2014-9721, 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-2014-9721 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2014-9721 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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