Exploited vulnerability · CISA KEV

Is CVE-2023-41179 exploited? Yes: in CISA KEV since 21 Sep 2023

Gociux · Trend Micro Apex One and Worry-Free Business Security · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2023-41179, Trend Micro Apex One and Worry-Free Business Security Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 21 Sep 2023, 2 days after it was published. It affects Trend Micro Apex One and Worry-Free Business Security. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What it is

Trend Micro Apex One and Worry-Free Business Security contain an unspecified vulnerability in the third-party anti-virus uninstaller that could allow an attacker to manipulate the module to conduct remote code execution. An attacker must first obtain administrative console access on the target system in order to exploit this vulnerability.

What to do

1. Check whether you run it. Look for Apex One and Worry-Free Business Security in your asset inventory, including appliances and cloud images. Stack check lists every exploited Trend Micro CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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 19 Sep 2023.
4. Get told next time. Email alerts when CISA adds a CVE for Trend Micro.

References

• success.trendmicro.com/dcx/s/solution/000294994
• nvd.nist.gov/vuln/detail/CVE-2023-41179

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 September 2023 · Trend Micro scorecard · act-now radar.