CVE-2021-21426

描述

### Impact CVE-2021-3007: Backport of Zend_Http_Response_Stream, added certain type checking as a way to prevent exploitation. https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3007 This vulnerability is caused by the unsecured deserialization of an object. In versions higher than Zend Framework 3.0.0, the attacker abuses the Zend3 feature that loads classes from objects in order to upload and execute malicious code in the server. The code can be uploaded using the “callback” parameter, which in this case inserts a malicious code instead of the “callbackOptions” array. ### Patches _Has the problem been patched? What versions should users upgrade to?_ v20.0.9 v19.4.13

如何修補 CVE-2021-21426

要修補 CVE-2021-21426,請將受影響套件升級到下列已修補版本。

• —升級至 19.4.13 或更新版本

CVE-2021-21426 正在被利用嗎?

低 — EPSS 為 1.2%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 19.4.13

CVSS 分數

參考連結(2)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-21426
• WEBgithub.com/OpenMage/magento-lts/security/advisories/GHSA-m496-x567-f98c