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CVE-2023-31582

20
FAUCET Score

CVE-2023-31582 is a vulnerability in jose4j before version 0.9.3 that allows attackers to set a low iteration count (1000 or less), impacting the jose4j_project. This high-severity vulnerability (CVSS 7.5) has a network attack vector, low attack complexity, and could lead to high integrity impacts, though confidentiality and availability are not directly affected. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.3CPE matchmatch criteria
cpe:2.3:a:jose4j_project:jose4j:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
47.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 24th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

mavenpatch availablevia ghsa
Product: org.bitbucket.b_c:jose4jFixed in: 0.9.3
redhatpatch availablevia redhat_api
Product: Red Hat Data Grid 8.4.6Fixed in: jose4j
View patch
redhatpatch availablevia redhat_api
Product: Red Hat AMQ Streams 2.6.0Fixed in: jose4j
View patch
redhatpatch availablevia redhat_api
Product: Red Hat build of Quarkus 2.13.9.FinalFixed in: org.bitbucket.b_c/jose4j:0.9.3.redhat-00004
View patch
redhatno patchvia redhat_api
Product: Red Hat build of Apicurio Registry 2Fixed in: jose4j
redhatend of lifevia redhat_api
Product: Red Hat Integration Camel K 1Fixed in: jose4j
redhatend of lifevia redhat_api
Product: Red Hat Process Automation 7Fixed in: jose4j
redhatend of lifevia redhat_api
Product: OpenShift ServerlessFixed in: jose4j
redhatend of lifevia redhat_api
Product: Red Hat build of Apache Camel for Spring Boot 3Fixed in: jose4j
redhatend of lifevia redhat_api
Product: Red Hat build of Debezium 2Fixed in: jose4j
redhatend of lifevia redhat_api
Product: Red Hat Fuse 7Fixed in: jose4j

Vendor Advisories (2)

mavenGHSA-7g24-qg88-p43qhigh

jose4j uses weak cryptographic algorithm

Oct 25, 2023
redhatCVE-2023-31582Moderate

jose4j: Insecure iteration count setting

Oct 25, 2023

References

bitbucket.org / b_c/jose4j/issues/203/insecure-support-of-setting-pbe-less-then
Issue Tracking
github.com / KANIXB/JWTIssues/blob/main/jose4j%20issue.md
Third Party Advisory