Vulnerability identifier: #VU24828

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7940

CWE-ID: CWE-521

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Plone
Web applications / CMS

Vendor: Plone

Description

The vulnerability allows an attacker to set weak passwords.

The vulnerability exists due to missing password strength checks on the password reset form or the admin form. A remote authenticated attacker can set weak passwords, leading to easier cracking.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Plone: 4.3 - 5.2.0

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External links
http://www.openwall.com/lists/oss-security/2020/01/24/1
http://plone.org/security/hotfix/20200121
http://plone.org/security/hotfix/20200121/password-strength-checks-were-not-always-checked
http://www.openwall.com/lists/oss-security/2020/01/22/1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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