Vulnerability in Form Form.io
CVE-2020-28246
A Server-Side Template Injection (SSTI) was discovered in Form.io 2.0.0. This leads to Remote Code Execution during deletion of the default Email template URL. NOTE: the email templating service was removed after 2020. Additionally, the vendor disputes this issue indicating this is sandboxed and only executable by admins.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (83.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: +0.001
Affected products
- Form Form.io — versions 2.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/formio/formio (Third Party Advisory)
- github.com/formio/enterprise-release/blob/master/API-Server-Change-Log.md (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2020-28246?
- CVE-2020-28246 is a critical-severity vulnerability in Form Form.io, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2022-06-02.
- How severe is CVE-2020-28246?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-28246 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.