CVE-2021-33510
Server-Side Request Forgery in Plone
4.3
MEDIUM
CVSS 3.1
EPSS 0.12%
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.
How to fix CVE-2021-33510
To remediate CVE-2021-33510, upgrade the affected package to a fixed version below.
- PyPI/plone—no fix listed
- PyPI/plone—upgrade to 5.2.5 or later
Is CVE-2021-33510 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, <= 5.2.4
- from 0, < 5.2.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |