CVE-2021-21426: Fixes a bug in Zend Framework's Stream HTTP Wrapper
First published: Wed Apr 21 2021(Updated: )
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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenMage | <19.4.13 | |
| OpenMage | >=20.0.0<20.0.9 |
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Frequently Asked Questions
What is CVE-2021-21426?
CVE-2021-21426 is a vulnerability in Magento-lts versions 19.4.12 and prior and 20.0.8 and prior.
What is the severity of CVE-2021-21426?
The severity of CVE-2021-21426 is critical with a CVSS score of 9.8.
How does CVE-2021-21426 affect Magento-lts?
CVE-2021-21426 affects Magento-lts versions 19.4.12 and prior and 20.0.8 and prior.
How can I fix CVE-2021-21426?
To fix CVE-2021-21426, update to versions 19.4.13 and 20.0.9 of Magento-lts.
Is there a patch available for CVE-2021-21426?
Yes, a patch is available in versions 19.4.13 and 20.0.9 of Magento-lts.
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