CVE-2021-21426

Fixes a bug in Zend Framework's Stream HTTP Wrapper

State: Published
Severity: 9.8 Critical
Published: Apr 21, 2021
Updated: Aug 3, 2024
Reserved: Dec 22, 2020

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
magento-ltsOpenMage	<= 19.4.12Affected <= 20.0.8Affected

References

https://github.com/OpenMage/magento-lts/security/advisories/GHSA-m496-x567-f98c

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