Vulnerability CVE-2021-33511


Published: 2021-05-21   Modified: 2021-05-22

Description:
Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.

Type:

CWE-918

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
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-lxml-parser
http://www.openwall.com/lists/oss-security/2021/05/22/1

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