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CVE-2021-33510

Good to know:

Date: May 21, 2021

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.

Language: Python

Severity Score

4.3

Related Resources (7)

Url: https://plone.org/security/hotfix/20210518/server-side-request-forgery-via-event-ical-url

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-33510

Url: https://github.com/advisories/GHSA-4mg4-wvmx-5332

Url: https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-82.yaml

Url: http://www.openwall.com/lists/oss-security/2021/05/22/1

Url: https://github.com/plone/Plone

Url: https://www.mend.io/vulnerability-database/CVE-2021-33510

Severity Score

4.3

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

Top Fix

Upgrade Version

Upgrade to version Plone - 5.2.5

CVSS v3.1

Base Score:	4.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	4.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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