CVE-2014-9721

zeromq: protocol downgrade attack on sockets using the ZMTP v3 protocol

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Published Jun 3, 2015 CVSS 2.0 · 4.3 Medium EPSS 2.5% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:zeromq:zeromq::::::::
	cpe:2.3:a:zeromq:zeromq:4.1.0:rc1::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2014-9527	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.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 2.5% (2.511% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/159176.html
http://lists.opensuse.org/opensuse-updates/2015-06/msg00018.html
http://www.debian.org/security/2015/dsa-3255
https://github.com/zeromq/libzmq/issues/1273
https://github.com/zeromq/zeromq4-x/commit/b6e3e0f601e2c1ec1f3aac880ed6a3fe63043e51
https://nvd.nist.gov/vuln/detail/CVE-2014-9721
https://www.cve.org/CVERecord?id=CVE-2014-9721

History

No history.

Subscriptions

Zeromq Zeromq

Weaknesses

CWE-20

Sources

CVE record Updated: Aug 6, 2024, 1:55 PM

Status: PUBLISHED
Assigner: mitre
Published: Jun 3, 2015, 8:00 PM
Updated: Aug 6, 2024, 1:55 PM
Reserved: May 21, 2015, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:18 AM

Status: Modified
Published: Jun 3, 2015, 8:59 PM
Modified: Jun 17, 2026, 12:18 AM

View source JSON

Red Hat Updated: Dec 4, 2014, 12:00 AM

Severity: Important
Public date: Dec 4, 2014, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

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