HIGH

CVE-2021-22053

CVSS v3

8.8

HIGH

EPSS Score

89.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Applications using both `spring-cloud-netflix-hystrix-dashboard` and `spring-boot-starter-thymeleaf` expose 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.

Technical details

Published
11/19/2021

Frequently asked questions

What is CVE-2021-22053?

Applications using both `spring-cloud-netflix-hystrix-dashboard` and `spring-boot-starter-thymeleaf` expose 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.

Is CVE-2021-22053 actively exploited?

Active exploitation of CVE-2021-22053 has not been confirmed. The EPSS score is 89.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22053?

CVE-2021-22053 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-22053 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.