PT-2021-14848 · Netflix+1 · Spring-Cloud-Netflix-Hystrix-Dashboard+1

Threedr3Am · Published 2021-11-19 · Updated 2021-11-23 · CVE-2021-22053

Positive Technologies (AI Summary)

CVSS v3.1

7.6

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Name of the Vulnerable Software and Affected Versions spring-cloud-netflix-hystrix-dashboard versions (affected versions not specified)

Description The issue affects applications that use both spring-cloud-netflix-hystrix-dashboard and spring-boot-starter-thymeleaf. It exposes a way to execute code submitted within the request URI path during the resolution of view templates. When a request is made at "/hystrix/monitor;[user-provided data]", the path elements following hystrix/monitor are being evaluated as SpringEL expressions, which can lead to code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2021-22053

GHSA-GX3F-HQ7P-8FXV

Affected Products

Spring-Boot-Starter-Thymeleaf

Spring-Cloud-Netflix-Hystrix-Dashboard

References · 8

• 🔥 https://github.com/SecCoder-Security-Lab/spring-cloud-netflix-hystrix-dashboard-cve-2021-22053 · Exploit
• https://osv.dev/vulnerability/GHSA-gx3f-hq7p-8fxv · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22053 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22053 · Vendor Advisory
• https://tanzu.vmware.com/security/cve-2021-22053 · Vendor Advisory
• https://t.me/cvenotify/23682 · Telegram Post
• https://t.me/cibsecurity/32701 · Telegram Post
• https://t.me/cybersecuritytechnologies/4809 · Telegram Post