In Drupal core 8.x prior to 8.3.4 and Drupal core 7.x prior to 7.56; Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is mitigated by the fact that in order to be affected, the site must allow anonymous users to upload files into a private file system.
CVE-2017-6922
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 1.7%, top 17% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 77.8%
- KEV
- Not listed
Published
January 22, 2019
Last Modified
November 21, 2024
References (8)
- mlhess@drupalhttp://www.securityfocus.com/bid/99219
- mlhess@drupalhttp://www.securitytracker.com/id/1038781
- mlhess@drupalhttps://www.debian.org/security/2017/dsa-3897
- mlhess@drupalhttps://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/99219
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038781
- af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2017/dsa-3897
- af854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple
Affected Packages
(2 across 1 ecosystem)
Packagist(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| drupal/core | 8.0.0 ... 8.3.3 (58 versions) | 8.3.4 | — |
| drupal/drupal | — | 7.56 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
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- 2026-07-03 18:56 UTCOSV refresh
- 2026-07-02 16:54 UTCEPSS rescore
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- 2026-06-22 14:23 UTCEPSS rescore
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- 2026-06-15 07:13 UTCOSV refresh
- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 23:05 UTCEG score recompute
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-6922?
When was CVE-2017-6922 disclosed?
Is CVE-2017-6922 actively exploited?
What is the CVSS score of CVE-2017-6922?
How do I remediate CVE-2017-6922?
Dependency Blast Radius
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