Vulnerability identifier: #VU30907

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7886

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Magento Open Source
Web applications / E-Commerce systems

Vendor: Magento, Inc

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

A cryptograhic flaw exists in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. A weak cryptograhic mechanism is used to generate the intialization vector in multiple security relevant contexts.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Magento Open Source: 2.3.0 - 2.3.1

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External links
http://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.