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Fencer Intel
medium 5.8

CVE-2012-2681 json

Cumin before 0.1.5444, as used in Red Hat Enterprise Messaging, Realtime, and Grid (MRG) 2.0, uses predictable random numbers to generate s…

published 2012-09-28 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2663

cvss
5.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

Cumin before 0.1.5444, as used in Red Hat Enterprise Messaging, Realtime, and Grid (MRG) 2.0, uses predictable random numbers to generate session keys, which makes it easier for remote attackers to guess the session key.

Patch / fix

  • cumin enterprise mrg 2 0.1.5444-3.el6
  • condor enterprise mrg 2 7.6.5-0.22.el6
  • sesame enterprise mrg 2 1.0-6.el6
  • wallaby enterprise mrg 2 0.12.5-10.el6
  • rubygems enterprise mrg 2 1.8.16-1.el6
  • ruby-json enterprise mrg 2 1.4.6-10.el6
  • condor-qmf enterprise mrg 2 7.6.5-0.22.el6
  • condor-kbdd enterprise mrg 2 7.6.5-0.22.el6

red hat advisories RHSA-2012:1281RHSA-2012:1278

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-2012-2681 updated cvss 5.8

cumin: weak session keys

  • Red Hat Enterprise MRG 1 cumin
    affected: no fix planned “Will not fix”
  • Red Hat MRG Grid Execute Node for RHEL 5 Server v.2 condor 7.6.5-0.22.el5, wallaby 0.12.5-10.el5, condor-qmf 7.6.5-0.22.el5, condor-kbdd 7.6.5-0.22.el5, condor-wallaby 4.1.3-1.el5, ruby-wallaby 0.12.5-10.el5, +7 more Red Hat MRG Grid for RHEL 5 Server v.2 sesame 1.0-4.el5, cumin 0.1.5444-3.el5, condor 7.6.5-0.22.el5, wallaby 0.12.5-10.el5, condor-qmf 7.6.5-0.22.el5, condor-kbdd 7.6.5-0.22.el5, +11 more Red Hat MRG Management for RHEL 5 Server v.2 sesame 1.0-4.el5, cumin 0.1.5444-3.el5, wallaby 0.12.5-10.el5, python-wallaby 0.12.5-10.el5
    fixed: vendor fix RHSA-2012:1278
  • Red Hat MRG Grid Execute Node for RHEL 6 ComputeNode v.2 condor 7.6.5-0.22.el6, rubygems 1.8.16-1.el6, wallaby 0.12.5-10.el6, condor-qmf 7.6.5-0.22.el6, condor-kbdd 7.6.5-0.22.el6, condor-wallaby 4.1.3-1.el6, +9 more Red Hat MRG Grid Execute Node for RHEL 6 Server v.2 condor 7.6.5-0.22.el6, wallaby 0.12.5-10.el6, condor-qmf 7.6.5-0.22.el6, condor-kbdd 7.6.5-0.22.el6, condor-wallaby 4.1.3-1.el6, ruby-wallaby 0.12.5-10.el6, +7 more Red Hat MRG Grid for RHEL 6 Server v.2 sesame 1.0-6.el6, cumin 0.1.5444-3.el6, condor 7.6.5-0.22.el6, rubygems 1.8.16-1.el6, wallaby 0.12.5-10.el6, ruby-json 1.4.6-10.el6, +43 more Red Hat MRG Management for RHEL 6 ComputeNode v.2 sesame 1.0-6.el6 Red Hat MRG Management for RHEL 6 Server v.2 sesame 1.0-6.el6, cumin 0.1.5444-3.el6, wallaby 0.12.5-10.el6, python-wallaby 0.12.5-10.el6
    fixed: vendor fix RHSA-2012:1281
  • Red Hat MRG Messaging for RHEL 5 Server v.2 sesame 1.0-4.el5
    fixed: vendor fix RHSA-2012:1278
  • Red Hat MRG Messaging for RHEL 6 Server v.2 sesame 1.0-6.el6
    fixed: vendor fix RHSA-2012:1281

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

2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.redhat.com http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=827558 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness

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.