CVE-2019-6342 | Drupal core - Critical - Access bypass - SA-CORE-2019-008

An access bypass vulnerability exists when the experimental Workspaces module in Drupal 8 core is enabled. This can be mitigated by disabling the Workspaces module. It does not affect any release other than Drupal 8.7.4.

Published: 2020-05-28 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-6342 is rated High Risk (66.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.86%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-6342

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-06 1.60% 1.86% +0.26%
2 2026-06-15 0.20% 1.60% +1.40%
3 2025-11-21 — 0.20% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-6342

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2019-6342

GitHub Security Advisory for CVE-2019-6342

GHSA-xq62-62c9-22mg · Severity: critical · Ecosystem: composer — Drupal Improper Access Control

OS Trackers for CVE-2019-6342

vendor priority summary link
ubuntu low CVE-2019-6342 low priority: Ubuntu including 1 source packages (drupal7), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 15, needed 2, not-affected 1. https://ubuntu.com/security/CVE-2019-6342

Affected software / configurations for CVE-2019-6342

Vendor Product Version Raw CPE
drupal drupal 8.7.4 cpe:2.3:a:drupal:drupal:8.7.4:*:*:*:*:*:*:*

References for CVE-2019-6342

URL Tags
https://www.drupal.org/sa-core-2019-008 Vendor Advisory
cvelogic Threat Intelligence