CVE-2018-7600: Drupal Core Remote Code Execution Vulnerability
Vulnerability summary
CVE-2018-7600 is a critical (CVSS 9.8) Improper Input Validation vulnerability in Drupal Drupal Core. It is known to be exploited: CISA lists it, first on 03-11-2021. It has been used in ransomware campaigns. EPSS estimates a 99.99% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 5 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 29-03-2018PublishedVulnerability first disclosed.
- 03-11-2021Added to CISA KEVDrupal Core Remote Code Execution Vulnerability
- 03-05-2022CISA remediation dueApply updates per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 3 sources · 3 versions- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
99.99%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
0.00 pp
From 99.99% on 18-09-2026
Known exploited
Compare KEV catalogs- Added
- 03-11-2021
- Federal due date
- 03-05-2022
CISA required action
Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2018-7600
Public exploits
5 foundExploit Reference (research.checkpoint.com)
Maturity: unknown
Drupal < 8.3.9 / < 8.4.6 / < 8.5.1 - 'Drupalgeddon2' Remote Code Execution (Metasploit)
Maturity: weaponized
Drupal < 7.58 / < 8.3.9 / < 8.4.6 / < 8.5.1 - 'Drupalgeddon2' Remote Code Execution
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- drupal7< 7.32-1+deb8u11 | < 7.52-2+deb9u3 | < 7.14-2+deb7u18
- debian_linuxEOL7.0 | 8.0 | 9.0
Drupal1 product
- drupal≤ 7.57 | ≥ 8.0.0, < 8.3.9 | ≥ 8.4.0, < 8.4.6 | ≥ 8.5.0, < 8.5.1
Ubuntu1 product
- drupal7< 7.26-1ubuntu0.1+esm1 | < 7.44-1ubuntu1~16.04.0+esm1
3 vendors · 4 products
References
26 linksShow all 26 references
- lists.debian.org/debian-lts-announce/2018/03/msg00028.htmlMailing ListX Refsource MLISTThird Party Advisory
- badpackets.net/over-100000-drupal-websites-vulnerable-to-drupalgeddon-2-cve-2018-7600/X Refsource MISCBroken LinkThird Party Advisory
- greysec.net/showthread.php?tid=2912&pid=10561X Refsource MISCBroken LinkIssue TrackingThird Party Advisory
- blog.appsecco.com/remote-code-execution-with-drupal-core-sa-core-2018-002-95e6ecc0c714X Refsource MISCThird Party Advisory
- www.tenable.com/blog/critical-drupal-core-vulnerability-what-you-need-to-knowX Refsource MISCThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-7600Government ResourceUS Government Resource