Background exploitation KEV catalog Ransomware No authentication
CVE-2018-7602

Drupal Core Remote Code Execution Vulnerability

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…

CheckOps priority index
9.2/10 Patch within 24 h
Severity8.1
Probability9.9
Exploitation5/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 99.2% higher than 99.9% of CVEs
CVSS 3.1 8.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:
Exploited for 1,665 days 13 Apr 2022
CISA due date 04 May 2022 for US federal agencies

Exploitation probability EPSS · FIRST

05010026 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 5 / 5

  • KEV catalog (CISA)13 Apr 2022
  • Exploited in EUVD (ENISA)13 Apr 2022
  • Used by ransomwareyes
  • EPSS above 10 %99.2%
  • No account, over the networkyes

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

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.

Affected products

coreCore
Affected versions
  • unspecified <8.5.3
  • unspecified <8.4.8
  • unspecified <7.59

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

  5. EPSS peak: 99.2%

References

Other exploited vulnerabilities from the same vendor

  • CVE-2026-9082Drupal Core SQL Injection Vulnerability
    9.0 · Actively exploited
  • CVE-2019-6340Drupal Core Remote Code Execution Vulnerability
    8.4 · Background exploitation
  • CVE-2020-13671Drupal core Un-restricted Upload of File
    6.4 · Background exploitation
  • CVE-2018-7600Drupal Core Remote Code Execution Vulnerability
    9.9 · Background exploitation

Are you affected?

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities