Critical severity · published May 21, 2021
CVE-2021-33509
Plone through 5.2.4 allows remote authenticated managers to perform disk I/O via crafted keyword arguments to the ReStructuredText transform in a Python script
9.9
CVSS
2%
EPSS
No
On KEV
Description
Plone through 5.2.4 allows remote authenticated managers to perform disk I/O via crafted keyword arguments to the ReStructuredText transform in a Python script.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PL
Plone · Plone
through 5.2.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33509
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33509
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/22/1
Vendor Advisory
https://plone.org/security/hotfix/20210518/writing-arbitrary-files-via-docutils-and-python-script
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