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CVE-2019-18191

27
FAUCET Score

CVE-2019-18191 describes a privilege escalation vulnerability in the Trend Micro Deep Security as a Service Quick Setup cloud formation template. An authenticated user with specific unrestricted AWS execution privileges could leverage this flaw to gain full administrative access within the target AWS account. This vulnerability carries a high CVSS score of 8.8, indicating a severe impact with high confidentiality, integrity, and availability risks, and can be exploited remotely with low attack complexity. While the EPSS score is low, suggesting limited real-world exploitation, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:trendmicro:deep_security_as_a_service:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.19%
Probability of exploitation in next 30 days
EPSS Percentile
80.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0219 is in the 79th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

success.trendmicro.com / solution/000157758
Vendor Advisory