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Fencer Vulns
high 7.5

CVE-2022-23837 json

Denial of service in sidekiq

published 2022-01-21 4 y ago modified 2026-06-17 4 mo ago also GHSA-jrfj-98qg-qjgv , EUVD-2022-0634

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

In api.rb in Sidekiq before 5.2.10 and 6.4.0, there is no limit on the number of days when requesting stats for the graph. This overloads the system, affecting the Web UI, and makes it unavailable to users.

Patch / fix

  • rubygems sidekiq 5.2.10, 6.4.0
  • contribsys sidekiq 5.2.10, 6.4.0
  • ruby-sidekiq Debian 14, Debian 13, Debian 12 6.4.1+dfsg-1

debian advisories DEBIAN-CVE-2022-23837

  • ruby-sidekiq Ubuntu Pro 18.04 LTS 5.0.4+dfsg-2ubuntu0.1~esm1
  • ruby-sidekiq Ubuntu Pro 20.04 LTS 5.2.7+dfsg-1ubuntu0.1~esm1
  • ruby-sidekiq Ubuntu Pro 22.04 LTS 6.3.1+dfsg-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2022-23837

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • foreman satellite utils 6.11, satellite capsule 6.11, satellite 6.11 3.1.1.21-2.el7sat
  • foreman satellite utils 6.11, satellite capsule 6.11, satellite 6.11 3.1.1.21-2.el8sat
  • libsolv satellite capsule 6.11, satellite 6.11 0.7.22-1.el7pc
  • libsolv satellite capsule 6.11, satellite 6.11 0.7.22-1.el8pc
  • candlepin satellite 6.11 4.1.13-1.el7sat
  • candlepin satellite 6.11 4.1.13-1.el8sat
  • satellite satellite utils 6.11, satellite capsule 6.11, satellite 6.11 6.11.0-2.el7sat
  • satellite satellite utils 6.11, satellite capsule 6.11, satellite 6.11 6.11.0-2.el8sat

red hat advisories RHSA-2022:5498

  • libdb Rocky Linux 8 5.3.28-42.el8_4

rocky linux advisories RLSA-2022:5498

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-2022-23837 updated cvss 7.5

sidekiq: WebUI Denial of Service caused by number of days on graph

  • Red Hat 3scale API Management Platform 2 rubygem-sidekiq rubygem-sidekiq
    affected: no fix planned “Will not fix”
  • Red Hat Satellite 6.11 for RHEL 7 tfm-rubygem-sidekiq 5.2.10-1.el7sat Red Hat Satellite 6.11 for RHEL 8 rubygem-sidekiq 5.2.10-1.el8sat
    fixed: vendor fix RHSA-2022:5498
  • Red Hat Satellite 6.11 for RHEL 7 tfm 7.0-1.el7sat, gofer 2.12.5-7.el7sat, katello 4.3.0-3.el7sat, libsolv 0.7.22-1.el7pc, libcomps 0.1.18-1.el7pc, libsolv0 0.6.34-4.el7sat, +637 more Red Hat Satellite 6.11 for RHEL 8 libdb 5.3.28-42.el8_4, katello 4.3.0-3.el8sat, libsolv 0.7.22-1.el8pc, libcomps 0.1.18-1.el8pc, python-idna 3.3-1.el8pc, python-pbr 5.6.0-1.el8pc, +628 more
    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

5.21% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/TUTUMSPACE/exploits/blob/main/sidekiq.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
rubygems sidekiq
>=6.0.0, <6.4.0
<5.2.10
6.4.0
5.2.10

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns 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.