CVE-2016-4043 Chameleon in Plone allows Authentication Bypass

What is CVE-2016-4043?

CVE-2016-4043 is a medium-severity vulnerability in Plone Plone, published on 24 Feb 2017. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Chameleon (five.pt) in Plone 5.0rc1 through 5.1a1 allows remote authenticated users to bypass Restricted Python by leveraging permissions to create or edit templates.

Weakness: CWE-264

Which versions are affected by CVE-2016-4043?

5 open source packages ship an affected version, including plone and Plone. It affects 1 product.

Products include Plone Plone.

How do I fix CVE-2016-4043?

Upgrade plone to 5.1a2 or later.

Is CVE-2016-4043 being exploited?

There is no known exploitation of CVE-2016-4043 in the wild and no public exploit code.

Other vulnerabilities in Plone Plone

• CVE-2021-33509 Incorrect Permission Assignment for Critical Resource in Plone Critical 9.9
• CVE-2020-35190 Hardcoded credentials in n/a Critical 9.8
• CVE-2020-7941 Plone Unauthenticated Write Vulnerability Critical 9.8
• CVE-2011-3587 Zope Command Execution Vulnerability Critical 9.3
• CVE-2021-33926 Server-Side Request Forgery in Plone CMS High 8.8

All Plone Plone vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6h8x-73fx-q2h9, PYSEC-2017-57.