CVE-2011-2528 High severity vulnerability that affects Plone and Zope2

What is CVE-2011-2528?

CVE-2011-2528 is a high-severity vulnerability in Plone Plone, published on 19 Jul 2011. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a "highly serious vulnerability." NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.

Which versions are affected by CVE-2011-2528?

8 open source packages ship an affected version, including plone, Plone and Zope2. It affects 3 products.

Products include Plone Plone, Plone Plone Hotfix 20110720, Zope Zope.

How do I fix CVE-2011-2528?

Upgrade plone to 3.3.6 or later.

Is CVE-2011-2528 being exploited?

There is no known exploitation of CVE-2011-2528 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-p6h9-hpcg-c6gm, PYSEC-2011-25, PYSEC-2026-764.