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CVE-2019-6340: Drupal Core Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2019-6340
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
In Drupal Core, some field types do not properly sanitize data from non-form sources. This can lead to arbitrary PHP code execution in some cases.

CSIRTS triage

vendor: Drupalproduct: Drupal CoreRemote code execution
What
In Drupal Core, some field types do not properly sanitize data from non-form sources, leading to arbitrary PHP code execution.
Who is affected
Deployments of Drupal Core that utilize affected field types.
Urgency
Remediation is urgent as the vulnerability is actively exploited and rated critical.
Action
Update to the latest version of Drupal Core.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-6340

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-6340coverage & exploitation statusNVD · CVE.org

Recent advisories for Drupal Core Remote

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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