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Fencer Intel
high 8.5

CVE-2018-1279 json

RabbitMQ cluster compromise due to deterministically generated cookie

published 2018-12-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11898

cvss
8.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Pivotal RabbitMQ for PCF, all versions, uses a deterministically generated cookie that is shared between all machines when configured in a multi-tenant cluster. A remote attacker who can gain information about the network topology can guess this cookie and, if they have access to the right ports on any server in the MQ cluster can use this cookie to gain full control over the entire cluster.

Patch / fix

  • rabbitmq-server Debian 14, Debian 13, Debian 12 3.9.8-5

debian advisories DEBIAN-CVE-2018-1279

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-2018-1279 updated cvss 6.5

rabbitmq-server: Deterministically generated cookie shared between all machines

  • Red Hat OpenStack Platform 8 (Liberty) rabbitmq-server Red Hat OpenStack Platform 9 (Mitaka) rabbitmq-server Red Hat OpenStack Platform 10 (Newton) rabbitmq-server
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 13 (Queens) rabbitmq-server
    affected: no fix planned “Will not fix”
  • Red Hat OpenStack Platform 14 (Rocky) rabbitmq-server
    affected: no fix planned “Out of support scope”
  • Red Hat CloudForms Management Engine 5 rabbitmq-server Red Hat Ansible Tower 3 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

1.83% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 8.5 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.0 6.5 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Pivotal RabbitMq for PCF

Classification

Weakness
  • CWE-330 Use of Insufficiently Random Values

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.