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 certain operations.

Affected

Drupal.org · Drupal Core

CVSS v3.0 NVD

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

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

20.24% chance of exploitation in the next 30 days, 97th percentile

Published

2018-08-06

Updated

2024-09-16

Vulhub environments (1)

• vulhub/vulhub/tree/master/drupal/CVE-2017-6920

Security advisories

• https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/d…
• http://www.securityfocus.com/bid/99211
• http://www.securitytracker.com/id/1038781
• advisories/GHSA-9c24-g32g-35rj

References

• CVE Record
• NVD entry