SSRF in Plone

CVE-2020-28735

Plone before 5.2.3 allows SSRF attacks via the tracebacks feature (only available to the Manager role).

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.015 (72.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-28735: held from 0.014 to 0.015.

EPSS over last 30 days · oldest: 0.014 · newest: 0.015 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-28735?
CVE-2020-28735 is a high-severity vulnerability in Plone, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.8/10. Published 2020-12-30.
How severe is CVE-2020-28735?
High severity. CVSS v3 base score is 8.8 out of 10.