What is CVE-2021-33509?

CVE-2021-33509 is a critical-severity vulnerability in Plone, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.9/10. Published 2021-05-21.

How severe is CVE-2021-33509?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Plone

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.

EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Plone
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33509?: CVE-2021-33509 is a critical-severity vulnerability in Plone, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.9/10. Published 2021-05-21.
How severe is CVE-2021-33509?: Critical severity. CVSS v3 base score is 9.9 out of 10.