CVE-2021-31649
JFinal Java Deserialization Vulnerability
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute
- Record
CVE-2021-31649- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute
- Record
CVE-2021-31649- Updated
- 2026-11-02
EUVDEUVD-2022-4052 No score
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute
- Record
EUVD-2022-4052- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h3j8-fr5q-8rfr No score
JFinal Java Deserialization Vulnerability
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis which can lead to remote code execution
- Record
GHSA-h3j8-fr5q-8rfr- Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute
- Record
CVE-2021-31649- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-h3j8-fr5q-8rfr No score
JFinal Java Deserialization Vulnerability
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis which can lead to remote code execution
- Record
GHSA-h3j8-fr5q-8rfr- Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.jfinal:jfinalMaven |
through 4.9.08 | None known |
com.jfinal:jfinalMaven |
through 4.9.08, plus listed versions 1.41.4.01.51.61.8 Show 30 moreShow less1.92.02.12.23.03.13.23.33.43.53.63.73.84.04.14.24.34.44.54.64.74.84.94.9.014.9.024.9.034.9.044.9.054.9.064.9.07 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31649 is a critical vulnerability (CVSS 9.8) in Jfinal, published June 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. No source names a fixed version.