Fixes a bug in Zend Framework's Stream HTTP Wrapper
CVE-2021-21426

9.8CRITICAL

Key Information:

Vendor

Openmage

Status
Magento-lts
Vendor
CVE Published:
21 April 2021

What is CVE-2021-21426?

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.

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Deploy the Patch

Affected Version(s)

magento-lts <= 19.4.12 <= 19.4.12

magento-lts <= 20.0.8 <= 20.0.8

References

https://github.com/OpenMage/magento-lts/security/advisori...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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