7.5
CWE
918
Advisory Published
Advisory Published
Updated

CVE-2021-33511: SSRF

First published: Fri May 21 2021(Updated: )

Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Plone Plone<=5.2.4
pip/Plone<=5.2.4

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-33511.

  • What is the severity of CVE-2021-33511?

    The severity of CVE-2021-33511 is high with a severity value of 7.5.

  • What is the affected software?

    The affected software is Plone version up to 5.2.4.

  • How does CVE-2021-33511 impact Plone?

    CVE-2021-33511 allows SSRF (Server-Side Request Forgery) via the lxml parser, affecting Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.

  • Are there any references related to CVE-2021-33511?

    Yes, you can find more information about CVE-2021-33511 at the following references: [Reference 1](http://www.openwall.com/lists/oss-security/2021/05/22/1) and [Reference 2](https://plone.org/security/hotfix/20210518/server-side-request-forgery-via-lxml-parser).

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