Vulnerability Details : 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.
Products affected by CVE-2021-21426
- cpe:2.3:a:openmage:magento:*:*:*:*:lts:*:*:*
- cpe:2.3:a:openmage:magento:*:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21426
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
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 ensuring that the resulting data will be valid.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-21426
-
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-m496-x567-f98c
Fixes a bug in Zend Framework's Stream HTTP Wrapper · Advisory · OpenMage/magento-lts · GitHubThird Party Advisory
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