CVE-2021-3644

A flaw was found in wildfly-core in all versions. If a vault expression is in the form of a single attribute that contains multiple expressions, a user who was granted access to the management interface can potentially access a vault expression they should not be able to access and possibly retrieve the item which was stored in the vault. The highest threat from this vulnerability is data confidentiality and integrity.

Published: 2022-08-26 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-3644 is rated Low Risk (30.8/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.73%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-3644

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.44% 0.73% +0.29%
2 2025-11-21 0.51% 0.44% -0.07%
3 2025-11-18 0.51%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-3644

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.3 3.1 LOW
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
0.7 2.5 [email protected]

Weakness enumeration for CVE-2021-3644

GitHub Security Advisory for CVE-2021-3644

GHSA-w88m-2936-rmxr · Severity: low · Ecosystem: maven — wildfly-core allows user with access to management interface to access vault expression, retrieve item from vault

OS Trackers for CVE-2021-3644

vendor priority summary link
redhat low https://access.redhat.com/security/cve/CVE-2021-3644

Affected software / configurations for CVE-2021-3644

Vendor Product Version Raw CPE
redhat descision_manager 7.0 cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:*
redhat wildfly 16.0.0 cpe:2.3:a:redhat:wildfly:16.0.0:-:*:*:*:*:*:*
redhat wildfly 17.0.0 cpe:2.3:a:redhat:wildfly:17.0.0:beta2:*:*:*:*:*:*

References for CVE-2021-3644

cvelogic Threat Intelligence