CVE-2019-18191

Name: CVE-2019-18191
Creator: NVD / NIST
Published: 2019-12-16T21:15:11.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.19%

Last modified Jun 17, 2026

CVE-2019-18191 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A privilege escalation vulnerability in the Trend Micro Deep Security as a Service Quick Setup cloud formation template could allow an authenticated entity with certain unrestricted AWS execution privileges to escalate to full privileges within the target AWS account.. EPSS estimates a 2.19% chance of exploitation in the next 30 days.

Description

A privilege escalation vulnerability in the Trend Micro Deep Security as a Service Quick Setup cloud formation template could allow an authenticated entity with certain unrestricted AWS execution privileges to escalate to full privileges within the target AWS account.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.19%

80.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-459

Affected Software

Vendor	Product	Versions
Trendmicro	Deep Security As A Service	All versions

References

https://success.trendmicro.com/solution/000157758Vendor Advisory
https://success.trendmicro.com/solution/000157758Vendor Advisory

Timeline

Published: Dec 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18191?

How severe is CVE-2019-18191?

CVE-2019-18191 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.19% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18191?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-18191?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST