Home/CVE/A flaw was found in Wildfly affecting versions 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, and 21.0.0.Final.
CVE

CVE-2020-27822

A flaw was found in Wildfly affecting versions 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, and 21.0.0.Final.

A flaw was found in Wildfly affecting versions 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, and 21.0.0.Final. When an application uses the OpenTracing API's java-interceptors, there is a possibility of a memory leak. This flaw allows an attacker to impact the availability of the server.

The highest threat from this vulnerability is to system availability.

MEDIUM · CVSS 5.9 EPSS 0.00339
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

1
redhat wildflyall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.wildfly:wildfly-parent MODERATE fixed in 21.0.2.Final
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Dec 2020 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
rhsaRHSA-2021:0327Important
rhsaRHSA-2021:0247Important
rhsaRHSA-2021:0248Important
rhsaRHSA-2021:0250Important
rhsaRHSA-2021:0295Important
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1904060Issue TrackingVendor Advisory
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