UpHeron
All vulnerabilities

Servers and applications

CVE-2018-7600

Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6, and 8.5.x before 8.5.1 allows remote attackers to execute arbitrary code because of an issue affecting multiple subsystems with default or common module configurations.

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021.

Severity
Critical 9.8
Published
29 Mar 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.3.9, 8.4.6, 8.5.1
Exploit chance
100% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
DrupalServers and applications · cpe:a:drupal:drupal
  • Every version up to 7.57
  • From 8.0.0 before 8.3.9
  • From 8.4.0 before 8.4.6
  • From 8.5.0 before 8.5.1

Known exploited

CISA name
Drupal Core Remote Code Execution Vulnerability
Required action
Apply updates per vendor instructions.
Due for US agencies
3 May 2022
Used in ransomware
Yes, known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-7600
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-7600