7.5

CVE-2023-31582: jose4j_project jose4j Insufficient Entropy

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-31582DEBIAN-CVE-2023-31582CGA-7qqq-9g27-23v9
Published 24-10-2023Last modified 11-09-2024

Vulnerability summary

CVE-2023-31582 is a high (CVSS 7.5) Insufficient Entropy vulnerability in jose4j_project jose4j. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.64%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2

Timeline

  1. 24-10-2023
    PublishedVulnerability first disclosed.
  2. 11-09-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

-0.01 pp

From 0.64% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard2 products
  • hadoop-fips-3.3.6< 3.3.6-r15
  • hadoop-fips-3.5< 3.5.0-r4
Debian1 product
  • libjose4j-java< 0.7.12-2
Jose4j_project1 product
Org.bitbucket.b_c1 product
  • jose4j< 0.9.3
Ubuntu1 product
  • libjose4j-javaAll versions (No fix recorded)

5 vendors · 6 products

References

8 links