CVE-2018-7602

Name: CVE-2018-7602
Creator: NVD / NIST
Published: 2018-07-19T17:29:00.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 99.07%

Last modified Jun 17, 2026

CVE-2018-7602 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.07% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

99.07%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 4, 2022.

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Drupal	Drupal	>= 7.0, < 7.59
Drupal	Drupal	>= 8.4.0, < 8.4.8
Drupal	Drupal	>= 8.5.0, < 8.5.3
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

http://www.securityfocus.com/bid/103985Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040754Broken Link, Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2018/04/msg00030.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2018/dsa-4180Third Party Advisory
https://www.drupal.org/sa-core-2018-004Patch, Vendor Advisory
https://www.exploit-db.com/exploits/44542/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44557/Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/103985Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040754Broken Link, Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2018/04/msg00030.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2018/dsa-4180Third Party Advisory
https://www.drupal.org/sa-core-2018-004Patch, Vendor Advisory
https://www.exploit-db.com/exploits/44542/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44557/Exploit, Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-7602US Government Resource

Timeline

Published: Jul 19, 2018
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2018-7602?

How severe is CVE-2018-7602?

CVE-2018-7602 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 99.07% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2018-7602?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-7602?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST