Description
A Server-Side Template Injection issue was discovered in Crafter CMS 3.0.18. Attackers with developer privileges may execute OS commands by Creating/Editing a template file (.ftl filetype) that triggers a call to freemarker.template.utility.Execute in the FreeMarker library during rendering of a web page.
Remediation
References
https://github.com/craftercms/craftercms/issues/2677
https://medium.com/%40buxuqua/rce-vulnerability-in-crafter-cms-server-side-template-injection-19d8708ce242
Related Vulnerabilities
CVE-2020-17519 Vulnerability in maven package org.apache.flink:flink-runtime_2.11
CVE-2020-28272 Vulnerability in npm package keyget
CVE-2020-36189 Vulnerability in maven package com.fasterxml.jackson.core:jackson-databind
CVE-2019-10323 Vulnerability in maven package org.jenkins-ci.plugins:artifactory