CVE-2020-28246 - Vulnerability Details - OpenCVE

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.

Published: 2022-05-31

Score: 9.8 Critical

EPSS: 3.5% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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

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.

The EPSS score is 0.03455.

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

Mon, 23 Feb 2026 19:15:00 +0000

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

Subscriptions

Form Form.io

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-05-31T00:00:00.000Z

Updated: 2024-08-04T16:33:58.088Z

Reserved: 2020-11-06T00:00:00.000Z

Link: CVE-2020-28246

Vulnrichment

Updated: 2024-08-04T16:33:58.088Z

NVD

Status : Modified

Published: 2022-06-02T14:15:26.700

Modified: 2024-11-21T05:22:30.677

Link: CVE-2020-28246

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-74

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