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

CVE-2023-31582

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

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

HIGH · CVSS 7.5 EPSS 0.00167
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-331Insufficient Entropy
▤

Affected Products & Versions

1
jose4j project jose4j< 0.9.3
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.bitbucket.b_c:jose4j HIGH fixed in 0.9.3
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Oct 2023 · 06:17 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

5
suse-csafSUSE-SU-2024:0485-1
rhsaRHSA-2023:7700Important
rhsaRHSA-2023:7676Important
rhsaRHSA-2023:7678Moderate
oracle-cpuoracle-cpu-Oracle-Communications-Cloud-Native-Core-Console-14250--CVE-2023-31582
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bitbucket.org/b_c/jose4j/issues/203/insecure-support-of-setting-pbe-less-thenIssue Tracking
https://github.com/KANIXB/JWTIssues/blob/main/jose4jThird Party Advisory
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