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Vulnerability DatabaseCVE-2021-22053

CVE-2021-22053: 
Java vulnerability analysis and mitigation

Overview

CVE-2021-22053 is a high-severity vulnerability affecting Spring Cloud Netflix Hystrix Dashboard. The vulnerability was discovered and disclosed on November 17, 2021. It affects applications using both spring-cloud-netflix-hystrix-dashboard and spring-boot-starter-thymeleaf components, specifically versions 2.2.0.RELEASE to 2.2.9.RELEASE and older unsupported versions (VMware Advisory).

Technical details

The vulnerability occurs when a request is made at /hystrix/monitor;[user-provided data], where path elements following hystrix/monitor are evaluated as SpringEL expressions, potentially leading to code execution. The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. It is classified as CWE-94 (Improper Control of Generation of Code) (NVD).

Impact

If successfully exploited, this vulnerability could allow an attacker to execute arbitrary code within the context of the application. The CVSS scoring indicates high potential impact on confidentiality, integrity, and availability of the system (NVD).

Mitigation and workarounds

Users of affected versions should upgrade to Spring Cloud Netflix version 2.2.10.RELEASE or later. No additional mitigation steps are necessary beyond the version upgrade (VMware Advisory).

Community reactions

The vulnerability was identified and responsibly reported by threedr3am of SecCoder Security Lab (VMware Advisory).

Additional resources

Source: This report was generated using AI

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