PT-2020-17039 · Plone Foundation · Plone

Misakikata · Published 2020-12-30 · Updated 2021-04-07 · CVE-2020-28736

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Plone versions prior to 5.2.3

Description The issue allows XXE attacks via a feature protected by an unapplied permission of plone.schemaeditor.ManageSchemata, which is only available to the Manager role.

Recommendations For versions prior to 5.2.3, update to version 5.2.3 or later to resolve the issue.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2020-28736

GHSA-2C8C-84W2-J38J

PYSEC-2020-248

Affected Products

Plone

References · 10

• https://github.com/plone/Products.CMFPlone/issues/3209 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-28736 · Security Note
• https://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-28736 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2020-248 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-2c8c-84w2-j38j · Vendor Advisory
• https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-248.yaml · Note
• https://github.com/advisories/GHSA-2c8c-84w2-j38j · Note
• https://misakikata.com/codes/plone/python-en.html · Note
• https://t.me/cvenotify/7968 · Telegram Post