Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.677
EPSS Ranking 98.5%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Products affected by CVE-2017-6920
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cpe:2.3:a:drupal:drupal:8.0.0
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cpe:2.3:a:drupal:drupal:8.0.1
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cpe:2.3:a:drupal:drupal:8.0.2
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cpe:2.3:a:drupal:drupal:8.0.3
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cpe:2.3:a:drupal:drupal:8.0.4
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cpe:2.3:a:drupal:drupal:8.0.5
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cpe:2.3:a:drupal:drupal:8.0.6
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cpe:2.3:a:drupal:drupal:8.1.0
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cpe:2.3:a:drupal:drupal:8.1.1
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cpe:2.3:a:drupal:drupal:8.1.10
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cpe:2.3:a:drupal:drupal:8.1.2
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cpe:2.3:a:drupal:drupal:8.1.3
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cpe:2.3:a:drupal:drupal:8.1.4
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cpe:2.3:a:drupal:drupal:8.1.5
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cpe:2.3:a:drupal:drupal:8.1.6
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cpe:2.3:a:drupal:drupal:8.1.7
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cpe:2.3:a:drupal:drupal:8.1.8
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cpe:2.3:a:drupal:drupal:8.1.9
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cpe:2.3:a:drupal:drupal:8.2.0
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cpe:2.3:a:drupal:drupal:8.2.1
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cpe:2.3:a:drupal:drupal:8.2.2
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cpe:2.3:a:drupal:drupal:8.2.3
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cpe:2.3:a:drupal:drupal:8.2.4
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cpe:2.3:a:drupal:drupal:8.2.5
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cpe:2.3:a:drupal:drupal:8.2.6
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cpe:2.3:a:drupal:drupal:8.2.7
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cpe:2.3:a:drupal:drupal:8.2.8
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cpe:2.3:a:drupal:drupal:8.3.0
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cpe:2.3:a:drupal:drupal:8.3.1
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cpe:2.3:a:drupal:drupal:8.3.2
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cpe:2.3:a:drupal:drupal:8.3.3