SSRF in Plone
CVE-2021-33926
An issue in Plone CMS v. 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1rc2, 5.1rc1, 5.1b4, 5.1b3, 5.1b2, 5.1a2, 5.1a1, 5.1.7, 5.1.6, 5.1.5, 5.1.4, 5.1.2, 5.1.1 5.1, 5.0rc3, 5.0rc2, 5.0rc1, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.20, 4 allows attacker to access sensitive information via the RSS feed protlet.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.010 (59.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Plone — versions 4.3, 4.3.1, 4.3.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-33926?
- CVE-2021-33926 is a high-severity vulnerability in Plone, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.8/10. Published 2023-02-17.
- How severe is CVE-2021-33926?
- High severity. CVSS v3 base score is 8.8 out of 10.