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.
Vulnerability category: Execute code
Products affected by CVE-2017-6920
- cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6920
6.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6920
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-6920
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6920
-
http://www.securitytracker.com/id/1038781
Drupal Bugs Let Remote Users Access Certain Uploaded Files and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple
Drupal Core - Multiple Vulnerabilities - SA-CORE-2017-003 | Drupal.orgPatch;Vendor Advisory
-
http://www.securityfocus.com/bid/99211
Drupal Core CVE-2017-6920 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
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