CVE-2021-21426 Fixes a bug in Zend Framework's Stream HTTP Wrapper

2021-04-2120:15:18

CWE-502

GitHub_M

www.cve.org

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.6 High

AI Score

Confidence

High

0.044 Low

EPSS

Percentile

92.4%

JSON

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.

CNA Affected

[
  {
    "product": "magento-lts",
    "vendor": "OpenMage",
    "versions": [
      {
        "status": "affected",
        "version": "<= 19.4.12"
      },
      {
        "status": "affected",
        "version": "<= 20.0.8"
      }
    ]
  }
]