A remote code execution vulnerability exists within multiple subsystems of Drupal 7.x and 8.x. This potentially allows attackers to exploit multiple attack vectors on a Drupal site, which could result in the site being compromised. This vulnerability is related to Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-002. Both SA-CORE-2018-002 and this vulnerability are being exploited in the wild.
https://www.drupal.org/sa-core-2018-004
https://www.exploit-db.com/exploits/44557/
https://www.exploit-db.com/exploits/44542/
https://www.debian.org/security/2018/dsa-4180
https://lists.debian.org/debian-lts-announce/2018/04/msg00030.html
Source: MITRE
Published: 2018-07-19
Updated: 2021-04-20
Type: NVD-CWE-noinfo
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL