Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 99.2%; technical severity is CVSS 9.8.
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.
Who should care
- Teams operating Debian Linux, Core, Drupal
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Debian Linux, Core, Drupal is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Apply updates per vendor instructions.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-94
- Affected versions
- Debian Debian Linux (Version: 9.0); Drupal Core; Drupal Drupal (Start Including: 8.5.0, End Excluding: 8.5.3)
- Published
- 19 July 2018
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 99.2%
- Signal calculated at 88
External references
- Government advisory from www.cisa.gov
- Third-party advisory from www.securityfocus.com
- Third-party advisory from www.securitytracker.com
- Third-party advisory from lists.debian.org
- Third-party advisory from www.debian.org
- Exploit information from www.exploit-db.com
- Exploit information from www.exploit-db.com