Server-side Request Forgery in Plone Affects Multiple Themes and Frameworks
CVE-2021-33511

7.5HIGH

Key Information:

Vendor

Plone

Status
Plone
Vendor
CVE Published:
21 May 2021

What is CVE-2021-33511?

A vulnerability in Plone versions up to 5.2.4 allows for Server-side Request Forgery (SSRF) through the lxml parser. This issue can impact Diazo themes, Dexterity TTW schemas, and modeleditors found within various Plone applications. Attackers can exploit this vulnerability to make unauthorized requests from the perspective of the server, potentially leading to data exposure and increased risks within the web application's environment.

References

https://plone.org/security/hotfix/20210518/server-side-re...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/05/22/1
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.