CVE-2020-28246

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Published May 31, 2022 CVSS 3.1 · 9.8 Critical EPSS 2.4% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:form:form.io:2.0.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Github GHSA	GHSA-52vj-mr2j-f8jh	Server-Side Template Injection in formio

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.4% (2.436% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/formio/enterprise-release/blob/master/API-Server-Change-Log.md
https://github.com/formio/formio

History

Feb 23, 2026 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Form Form.io

Weaknesses

CWE-74

Sources

CVE record Updated: Aug 4, 2024, 4:33 PM

Status: PUBLISHED
Assigner: mitre
Published: May 31, 2022, 12:00 AM
Updated: Aug 4, 2024, 4:33 PM
Reserved: Nov 6, 2020, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 4:33 PM

Updated: Aug 4, 2024, 4:33 PM

NVD Updated: Jun 17, 2026, 3:10 AM

Status: Modified
Published: Jun 2, 2022, 2:15 PM
Modified: Jun 17, 2026, 3:10 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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