CVE-2017-6920: 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…

PriorityP265critical9.8CVSS 3.0

AVNACLPRNUINSUCHIHAH

EPSS

20.48%

97.2th percentile

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
drupal.org	drupal_core	—	—
drupal	core	>= 8.0 < 8.3.4	8.3.4
drupal	drupal	>= 8.0 < 8.3.4	8.3.4
drupal	drupal	>= 8.0.0 < 8.3.4	8.3.4

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

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