CVE-2021-31649
Java vulnerability analysis and mitigation

Overview

A deserialization vulnerability was discovered in JFinal versions 4.9.08 and below when using Redis integration. The vulnerability was assigned CVE-2021-31649 and was published on June 24, 2021. This vulnerability affects applications using JFinal with Redis functionality enabled (NVD Database, CVE Database).

Technical details

The vulnerability is classified as a deserialization of untrusted data issue (CWE-502). It received a CVSS v3.1 base score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating network accessibility, low attack complexity, and no required privileges or user interaction. The CVSS v2.0 base score is 7.5 (HIGH) (NVD Database).

Impact

The vulnerability can lead to remote code execution if successfully exploited. Due to the critical CVSS score and the nature of deserialization vulnerabilities, this could allow attackers to execute arbitrary code on affected systems (NVD Database).

Mitigation and workarounds

The primary mitigation is to upgrade JFinal to a version newer than 4.9.08 which contains fixes for this vulnerability (NVD Database).

Additional resources


SourceThis report was generated using AI

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