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Fencer Vulns
high 7.5

CVE-2023-31582 json

jose4j uses weak cryptographic algorithm

published 2023-10-24 3 y ago modified 2026-09-10 1 mo ago also GHSA-7g24-qg88-p43q , EUVD-2023-2687

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.

Patch / fix

  • maven org.bitbucket.b_c:jose4j 0.9.3
  • jose4j_project jose4j 0.9.3
  • libjose4j-java Debian 14, Debian 13 0.7.12-2

debian advisories DEBIAN-CVE-2023-31582

  • jose4j Manager Server Module 4.3 0.5.1-150400.3.6.2
  • cobbler Manager Server Module 4.3 3.3.3-150400.5.39.5
  • spacecmd Manager Server Module 4.3, Manager Proxy Module 4.3 4.3.26-150400.3.33.5
  • mgr-daemon Manager Proxy Module 4.3 4.3.8-150400.3.12.5
  • susemanager Manager Server Module 4.3 4.3.34-150400.3.45.5
  • spacewalk-web Manager Server Module 4.3, Manager Proxy Module 4.3 4.3.37-150400.3.39.7
  • spacewalk-java Manager Server Module 4.3 4.3.71-150400.3.74.2
  • grafana-formula Manager Server Module 4.3 0.10.0-150400.3.15.5

suse advisories SUSE-SU-2024:0485-1

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-2023-31582 updated cvss 6.8

jose4j: Insecure iteration count setting

  • Red Hat OpenShift Serverless jose4j Red Hat build of Apache Camel for Spring Boot 3 jose4j
    affected: workaround, no fix planned “No mitigation is currently available for this flaw.”
  • Red Hat build of Apicurio Registry 2 jose4j
    affected: workaround, no fix available “No mitigation is currently available for this flaw.”
  • Red Hat build of Debezium 2 jose4j Red Hat Fuse 7 jose4j Red Hat Integration Camel K 1 jose4j Red Hat JBoss Data Grid 7 jose4j Red Hat JBoss Enterprise Application Platform 6 jose4j, keycloak-adapter-sso7_5-eap6 keycloak-adapter-sso7_5-eap6 Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins
    +1 more products
    Red Hat Process Automation 7 jose4j
    affected: workaround, no fix planned “No mitigation is currently available for this flaw.”
  • Red Hat AMQ Streams 2.6.0
    fixed: vendor fix “No mitigation is currently available for this flaw.” RHSA-2023:7678
  • Red Hat build of Quarkus 2.13.9
    fixed: vendor fix “No mitigation is currently available for this flaw.” RHSA-2023:7700
  • Red Hat Data Grid 8.4.6
    fixed: vendor fix “No mitigation is currently available for this flaw.” RHSA-2023:7676
  • Red Hat OpenShift Developer Tools and Services jenkins-2-plugins Red Hat AMQ Broker 7 jose4j Red Hat build of Quarkus jose4j Red Hat JBoss Enterprise Application Platform 7 jose4j Red Hat JBoss Enterprise Application Platform 8 jose4j Red Hat JBoss Enterprise Application Platform Expansion Pack jose4j
    +2 more products
    Red Hat OpenShift Container Platform 4 jenkins-2-plugins Red Hat Single Sign-On 7 jose4j
    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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

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:H/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven org.bitbucket.b_c:jose4j
<0.9.3
0.9.3

Classification

Weakness
  • CWE-331 Insufficient Entropy
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm

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.