CVE-2017-6921

File REST resource does not properly validate

N/A
Published: January 15, 2019 at 10:00 PM UTC
Updated: June 17, 2026 at 01:23 AM UTC
1 product affected across 1 vendorDrupal

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Severity
N/A
Exploit prediction
EPSS 2%

Description

In Drupal 8 prior to 8.3.4; The file REST resource does not properly validate some fields when manipulating files. A site is only affected by this if the site has the RESTful Web Services (rest) module enabled, the file REST resource is enabled and allows PATCH requests, and an attacker can get or register a user account on the site with permissions to upload files and to modify the file resource.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

8.0.0 ≤ v < 8.3.4Drupal 8 ≤ v < 8.3.4Drupal 8
Affected range stops below 8.3.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/99222
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1038781

CVSS

Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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