CVE-2021-21426

EUVD-2021-0845
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_MCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
Affected Products (NVD)
VendorProductVersion
openmagemagento
𝑥
< 19.4.13
openmagemagento
20.0.0 ≤
𝑥
< 20.0.9
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-m496-x567-f98c
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-m496-x567-f98c