CVE-2021-33510

MEDIUM

Plone < 5.2.4 - Authenticated Server-Side Request Forgery via Event iCal URL

Title source: llm

Plone through 5.2.4 allows remote authenticated managers to conduct SSRF attacks via an event ical URL, to read one line of a file.

Core 2

Core References

Vendor Advisory x_refsource_misc

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

CVSS v3 4.3

EPSS 0.0099

EPSS Percentile 58.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-918

Status published

Products (2)

plone/plone < 5.2.4

pypi/Plone 0PyPI

Published May 21, 2021

Tracked Since Feb 18, 2026