CVE-2019-9491

Name: CVE-2019-9491
Creator: NVD / NIST
Published: 2019-10-21T19:15:11.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 12.94%

Last modified Jun 17, 2026

CVE-2019-9491 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Trend Micro Anti-Threat Toolkit (ATTK) versions 1.62.0.1218 and below have a vulnerability that may allow an attacker to place malicious files in the same directory, potentially leading to arbitrary remote code execution (RCE) when executed.. EPSS estimates a 12.94% chance of exploitation in the next 30 days.

Description

Trend Micro Anti-Threat Toolkit (ATTK) versions 1.62.0.1218 and below have a vulnerability that may allow an attacker to place malicious files in the same directory, potentially leading to arbitrary remote code execution (RCE) when executed.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

12.94%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-427

Affected Software

Vendor	Product	Versions
Trendmicro	Anti-Threat Toolkit	<= 1.62.0.1218

References

http://hyp3rlinx.altervista.org/advisories/TREND-MICRO-ANTI-THREAT-TOOLKIT-%28ATTK%29-REMOTE-CODE-EXECUTION.txt
http://packetstormsecurity.com/files/156160/TrendMicro-Anti-Threat-Toolkit-Improper-Fix.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Oct/42Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Jan/50Exploit, Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/Oct/30Exploit, Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/55Exploit, Mailing List, Third Party Advisory
https://success.trendmicro.com/solution/000149878Vendor Advisory
http://hyp3rlinx.altervista.org/advisories/TREND-MICRO-ANTI-THREAT-TOOLKIT-%28ATTK%29-REMOTE-CODE-EXECUTION.txt
http://packetstormsecurity.com/files/156160/TrendMicro-Anti-Threat-Toolkit-Improper-Fix.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Oct/42Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Jan/50Exploit, Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/Oct/30Exploit, Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/55Exploit, Mailing List, Third Party Advisory
https://success.trendmicro.com/solution/000149878Vendor Advisory

Timeline

Published: Oct 21, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-9491?

How severe is CVE-2019-9491?

CVE-2019-9491 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 12.94% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9491?

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-2019-9491?

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

Scan your code now

Source: NVD / NIST