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.
Published 2021-04-21 21:15:08
Updated 2021-04-30 15:35:14
Source GitHub, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-21426

0.48%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21426

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
GitHub, Inc.

CWE ids for CVE-2021-21426

  • The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
    Assigned by: security-advisories@github.com (Primary)

References for CVE-2021-21426

Products affected by CVE-2021-21426

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