CVE-2023-46131 | Grails® data binding causes JVM crash and/or DoS

Grails is a framework used to build web applications with the Groovy programming language. A specially crafted web request can lead to a JVM crash or denial of service. Any Grails framework application using Grails data binding is vulnerable. This issue has been patched in version 3.3.17, 4.1.3, 5.3.4, 6.1.0.

Published: 2023-12-21 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-46131 is rated Moderate Risk (43.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.72%). Mandatory action: Review affected assets and schedule remediation.

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-2023-46131

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 0.54% 0.72% +0.18%
2 2026-01-07 0.42% 0.54% +0.13%
3 2025-11-21 0.42%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-46131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 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:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-46131

GitHub Security Advisory for CVE-2023-46131

GHSA-3pjv-r7w4-2cf5 · Severity: medium · Ecosystem: maven — Grails data binding causes JVM crash and/or other denial of service

Affected software / configurations for CVE-2023-46131

Vendor Product Version Raw CPE
grails grails < 3.3.17 cpe:2.3:a:grails:grails:*:*:*:*:*:*:*:*
grails grails >= 4.0.0, < 4.1.3 cpe:2.3:a:grails:grails:*:*:*:*:*:*:*:*
grails grails >= 5.0.0, < 5.3.4 cpe:2.3:a:grails:grails:*:*:*:*:*:*:*:*
grails grails >= 6.0.0, < 6.1.0 cpe:2.3:a:grails:grails:*:*:*:*:*:*:*:*

References for CVE-2023-46131

cvelogic Threat Intelligence