CVE-2020-28734 : Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only avai

Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only available to the Manager role.

Published 2020-12-30 19:15:13

Updated 2021-01-04 19:17:50

Source MITRE

View at NVD, CVE.org

Vulnerability category: XML external entity (XXE) injection

Products affected by CVE-2020-28734

Plone » Plone
Versions before (<) 5.2.3
cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.28%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 64 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-611 Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Assigned by: nvd@nist.gov (Primary)

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