No exploitation reportedFix available

CVE-2020-25640

Q: Is CVE-2020-25640 actively exploited?

Active exploitation of CVE-2020-25640 has not been confirmed. Its EPSS score was 1.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-25640?

CVE-2020-25640 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2020-11-24
Fixed in21.0.0
WeaknessCWE-209 · CWE-532

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A flaw was discovered in WildFly before 21.0.0.Final where, Resource adapter logs plain text JMS password at warning level on connection error, inserting sensitive information in the log file.

Timeline

dates in UTC

2020-11-2419:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-25640?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-25640?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Redhat wildfly

Branch	Affected	Fixed in	Source
21.0	< 21.0.0	21.0.0	NVD · OSV

wildfly-parent

Branch	Affected	Fixed in	Source
21.0	< 21.0.0.Final	21.0.0.Final	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Redhat wildfly to 21.0.0

Advisories and patches

bugzilla.redhat.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.15.3read 2026-10-23
NVDCVSS 2.03.5read 2026-10-23
CNAweakness (CWE)CWE-209read 2026-10-23
NVDweakness (CWE)CWE-532read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Published: 2020-11-24
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-25640?

A flaw was discovered in WildFly before 21.0.0.Final where, Resource adapter logs plain text JMS password at warning level on connection error, inserting sensitive information in the log file.

Is CVE-2020-25640 actively exploited?

Active exploitation of CVE-2020-25640 has not been confirmed. Its EPSS score was 1.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25640?

CVE-2020-25640 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

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