CVE-2023-31582: jose4j_project jose4j Insufficient Entropy
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-31582DEBIAN-CVE-2023-31582CGA-7qqq-9g27-23v9CGA-cxjp-68p5-x8rfCGA-m4v6-mj63-cp48GHSA-7g24-qg88-p43qCGA-rwg6-fc8g-vfvq
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.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.64%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 2Timeline
- 24-10-2023PublishedVulnerability first disclosed.
- 11-09-2024Last 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 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 5 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · MavenEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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 score0.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- jose4j< 0.9.3
Org.bitbucket.b_c1 product
- jose4j< 0.9.3
Ubuntu1 product
- libjose4j-javaAll versions (No fix recorded)
5 vendors · 6 products
References
8 links- bitbucket.org/b_c/jose4j/issues/203/insecure-support-of-setting-pbe-less-thenREPORTWEBIssue Tracking
- bitbucket.org/b_c/jose4jPACKAGE