Server-Side Request Forgery Vulnerability in Plone by Plone Foundation
CVE-2021-33510

4.3MEDIUM

Key Information:

Vendor

Plone

Status
Plone
Vendor
CVE Published:
21 May 2021

What is CVE-2021-33510?

Plone versions up to 5.2.4 expose a vulnerability where remote authenticated managers can exploit the system through specially crafted event iCal URLs. This flaw allows unauthorized access to internal resources, enabling attackers to read content from local files, which could lead to further attacks or data exposure. It is critical for users to apply security updates to mitigate this vulnerability and protect sensitive information.

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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:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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