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Fencer Intel
medium 5.0

CVE-2014-9494 json

RabbitMQ before 3.4.0 allows remote attackers to bypass the loopback_users restriction via a crafted X-Forwareded-For header.

published 2015-01-20 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-9311

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

RabbitMQ before 3.4.0 allows remote attackers to bypass the loopback_users restriction via a crafted X-Forwareded-For header.

Patch / fix

  • rabbitmq-server Debian 14, Debian 13, Debian 12 3.4.1-1

debian advisories DEBIAN-CVE-2014-9494

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-9494 updated cvss 3.6

rabbitmq-server: insufficient 'X-Forwarded-For' header validation

  • Red Hat Enterprise Linux OpenStack Platform 6 (Juno) rabbitmq-server
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) rabbitmq-server
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.