CVE-2021-3915

Unrestricted Upload of File with Dangerous Type in bookstackapp/bookstack

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Published Nov 13, 2021 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed

Description

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

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

bookstackapp

bookstackapp/bookstack

affected

Version	Status	Constraints
`unspecified`	affected	< 21.10.3

Configuration 1 [-]

cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-2401	bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type
Github GHSA	GHSA-w2f4-hxpm-mq98	bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.961% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/bookstackapp/bookstack/commit/ae155d67454d6b9f6c93b2bb457aaa4b2eb1a9ed
https://huntr.dev/bounties/fcb65f2d-257a-46f4-bac9-f6ded5649079

History

No history.

Subscriptions

Bookstackapp Bookstack

Weaknesses

CWE-434

Sources

CVE record Updated: Aug 3, 2024, 5:09 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Nov 13, 2021, 9:15 AM
Updated: Aug 3, 2024, 5:09 PM
Reserved: Oct 30, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:05 AM

Status: Modified
Published: Nov 13, 2021, 10:15 AM
Modified: Jun 17, 2026, 4:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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