In Drupal 8 prior to 8.3.7; When using the REST API, users without the correct permission can post comments via REST that are approved even if the user does not have permission to post approved comments. This issue only affects sites that have the RESTful Web Services (rest) module enabled, the comment entity REST resource enabled, and where an attacker can access a user account on the site with permissions to post comments, or where anonymous users can post comments.
CVE-2017-6924
This high-severity CVE scores 7.4 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 35% 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).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.4
- EG Score
- 7.4(medium)
- EPSS
- 79.8%
- KEV
- Not listed
Published
January 15, 2019
Last Modified
November 21, 2024
References (6)
- mlhess@drupalhttp://www.securityfocus.com/bid/100368
- mlhess@drupalhttp://www.securitytracker.com/id/1039200
- mlhess@drupalhttps://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-08-16/drupal-core-multiple
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/100368
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039200
- af854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-08-16/drupal-core-multiple
Affected Packages
(2 across 1 ecosystem)
Packagist(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| drupal/core | 8.0.0 ... 8.3.6 (61 versions) | 8.3.7 | — |
| drupal/drupal | 8.0.0 ... 8.3.6 (67 versions) | 8.3.7 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 45× 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.
- 2026-07-22 14:04 UTCEPSS rescore
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- 2026-05-27 23:22 UTCEG score recompute
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Frequently asked(5)
What is CVE-2017-6924?
When was CVE-2017-6924 disclosed?
Is CVE-2017-6924 actively exploited?
What is the CVSS score of CVE-2017-6924?
How do I remediate CVE-2017-6924?
Dependency Blast Radius
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