CVE-2021-21426

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Magento-lts is a long-term support alternative to Magento Community Edition (CE). In magento-lts versions 19.4.12 and prior and 20.0.8 and prior, there is a vulnerability caused by the unsecured deserialization of an object. A patch in versions 19.4.13 and 20.0.9 was back ported from Zend Framework 3. The vulnerability was assigned CVE-2021-3007 in Zend Framework.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

No affected versions have been published.

Timeline

Published: Apr 21, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-214277.2Magento-lts is a long-term support alternative to Magento Community Edition (CE). A vulnerability in magento-lts versions before 19.4.13 and CVE-2021-214287.0Openapi generator is a java tool which allows generation of API client libraries (SDK generation), server stubs, documentation and configura CVE-2021-214293.3OpenAPI Generator allows generation of API client libraries, server stubs, documentation and configuration automatically given an OpenAPI Sp CVE-2021-214305.5OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically gi CVE-2021-214318.1sopel-channelmgnt is a channelmgnt plugin for sopel. In versions prior to 2.0.1, on some IRC servers, restrictions around the removal of the CVE-2021-214326.5Vela is a Pipeline Automation (CI/CD) framework built on Linux container technology written in Golang. An authentication mechanism added in CVE-2021-214338.8Discord Recon Server is a bot that allows you to do your reconnaissance process from your Discord. Remote code execution in version 0.0.1 wo CVE-2021-214344.8Survey administrator can craft a survey in such way that malicious code can be executed in the agent interface (i.e. another agent who wants CVE-2021-214356.5Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface. This issue affects CVE-2021-214364.3Agents are able to see and link Config Items without permissions, which are defined in General Catalog. This issue affects: OTRS AG OTRSCIsI CVE-2021-214374.3Agents are able to see linked Config Items without permissions, which are defined in General Catalog. This issue affects: OTRSCIsInCustomerF CVE-2021-214384.3Agents are able to see linked FAQ articles without permissions (defined in FAQ Category). This issue affects: FAQ version 6.0.29 and prior v