CVE-2021-20250: redhat jboss_enterprise_application_platform_expansion_pack
Vulnerability summary
CVE-2021-20250 is a medium (CVSS 4.3) vulnerability in redhat jboss_enterprise_application_platform_expansion_pack. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 54.7% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 13-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in wildfly. The JBoss EJB client has publicly accessible privileged actions which may lead to information disclosure on the server it is deployed on. The highest threat from this vulnerability is to data confidentiality.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · MavenEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.74%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.74% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat2 products
Org.jboss1 product
- jboss-ejb-client< 4.0.39
2 vendors · 3 products