CVE-2021-21426Deserialization of Untrusted Data in Magento

Severity
9.8CRITICALNVD
EPSS
0.4%
top 38.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 21
Latest updateApr 22

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

NVDopenmage/magento20.0.020.0.9+1
Packagistopenmage/magento-lts20.0.020.0.9+1
CVEListV5openmage/magento-lts19.4.12+1

🔴Vulnerability Details

3
OSV
Fixes a bug in Zend Framework's Stream HTTP Wrapper2021-04-22
GHSA
Fixes a bug in Zend Framework's Stream HTTP Wrapper2021-04-22
CVEList
Fixes a bug in Zend Framework's Stream HTTP Wrapper2021-04-21
CVE-2021-21426 — Deserialization of Untrusted Data | cvebase