CVE-2021-33510: SSRF
First published: Fri May 21 2021(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Plone Plone | <=5.2.4 | |
| pip/Plone | <=5.2.4 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/05/22/1
- https://plone.org/security/hotfix/20210518/server-side-request-forgery-via-event-ical-url
- https://nvd.nist.gov/vuln/detail/CVE-2021-33510
- https://github.com/advisories/GHSA-4mg4-wvmx-5332 (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-82.yaml
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-33510.
What is the severity of CVE-2021-33510?
The severity of CVE-2021-33510 is medium with a CVSS score of 4.3.
How does CVE-2021-33510 affect Plone?
CVE-2021-33510 affects Plone versions up to and including 5.2.4.
What is the impact of CVE-2021-33510?
CVE-2021-33510 allows remote authenticated managers to conduct SSRF attacks via an event ical URL, allowing them to read one line of a file.
Is there a fix available for CVE-2021-33510?
Yes, a fix for CVE-2021-33510 is available. Please refer to the official Plone security advisory for more information.
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