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Exploited vulnerability · CISA KEV

Is CVE-2019-6340 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · Drupal Core · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-6340, Drupal Core Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 1128 days after it was published. It affects Drupal Core. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.1CVSS 3.1 · high
US federal due15 Apr 2022BOD 22-01 deadline

What it is

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.

VendorDrupal (5 exploited CVEs in KEV)
ProductCore
VulnerabilityDrupal Core Remote Code Execution Vulnerability
WeaknessCWE-502
Published21 Feb 2019
Added to KEV25 Mar 2022
Reported by (CNA)drupal

What to do

  1. Check whether you run it. Look for Core in your asset inventory, including appliances and cloud images. Stack check lists every exploited Drupal CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 21 Feb 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Drupal.

Other exploited CVEs in Core

References

Questions

Is CVE-2019-6340 being exploited?

Yes. CISA added CVE-2019-6340 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-6340 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2019-6340?

Apply updates per vendor instructions. Check Drupal's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Core and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in March 2022 · Drupal scorecard · act-now radar.

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