CVE-2017-6920

high-risk
Published 2018-08-06

Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.

Do I need to act?

!
66.1% chance of exploitation in next 30 days
EPSS score — higher than 34% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Drupal

References (6)

Third Party Advisory http://www.securityfocus.com/bid/99211
Third Party Advisory http://www.securitytracker.com/id/1038781
Patch https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/201...
Third Party Advisory http://www.securityfocus.com/bid/99211
Third Party Advisory http://www.securitytracker.com/id/1038781
Patch https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/201...
56
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal