CVE-2018-7602

KEVRansomware UseDrupal Core Remote Code Execution Vulnerability

Description

A remote code execution vulnerability exists within multiple subsystems of Drupal that can allow attackers to exploit multiple attack vectors on a Drupal site.

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.

CVSS 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

PublishedJul 19, 2018

Last modifiedOct 2, 2026

Added to KEVApr 13, 2022

Remediation dueMay 4, 2022

References

securityfocus.com/bid/103985Broken LinkThird Party Advisory
securitytracker.com/id/1040754Broken LinkThird Party Advisory
lists.debian.org/debian-lts-announce/2018/04/msg00030.htmlMailing ListThird Party Advisory
debian.org/security/2018/dsa-4180Third Party Advisory
drupal.org/sa-core-2018-004PatchVendor Advisory
exploit-db.com/exploits/44542/ExploitThird Party Advisory
exploit-db.com/exploits/44557/ExploitThird Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-7602US Government Resource

0 recent articles mention this CVE

Risk assessment · Critical

Actively exploited and used by ransomware crews. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 1636 days
Ransomware: Used in known ransomware campaigns
CVSS: 9.8 CRITICAL
EPSS (30-day exploit probability): 99.2% · top 1% of all CVEs
Weakness: NVD-CWE-noinfo
Attack vector: Network, remotely reachable
Preconditions: No privileges and no user interaction

Recommended actions

1.Apply updates per vendor instructions.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.