CVE-2018-7602

Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004

CRITICAL
9.8
CVSS Score
Published: July 19, 2018 at 05:00 PM UTC
Updated: October 2, 2026 at 02:54 PM UTC
2 products affected across 2 vendorsDebian LinuxDrupal

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Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 99%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score99.2%

EPSS (Exploit Prediction Scoring System) estimates a 99.2% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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

Required Action
Apply updates per vendor instructions.
Ransomware Use
Known
Added to KEV
Apr 13, 2022
Remediation Due
May 4, 2022
1637 days overdue

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 7.59v < 8.4.8v < 8.5.37.0 ≤ v < 7.598.4.0 ≤ v < 8.4.88.5.0 ≤ v < 8.5.3
Affected range stops below 7.59, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.4.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.5.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
http://www.securityfocus.com/bid/103985
VDB Entryx_refsource_SECTRACKBroken LinkThird Party Advisory
http://www.securitytracker.com/id/1040754
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00030.html
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2018/dsa-4180
x_refsource_CONFIRMPatchVendor Advisory
https://www.drupal.org/sa-core-2018-004
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/44542/
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/44557/
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-7602

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfoCWE-94

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