Vulnerability CVE-2021-33510
Published: 2021-05-21   Modified: 2021-05-22

Description:
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.

Type:

CWE-918

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Plone -> Plone 

 References:
https://plone.org/security/hotfix/20210518/server-side-request-forgery-via-event-ical-url
http://www.openwall.com/lists/oss-security/2021/05/22/1
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