CVE-2021-40397

HIGH 7.8CVE-2021-40397 · Published 28/01/2022 · updated 17/06/2026

In short

CVE-2021-40397 is a HIGH (CVSS 7.8) vulnerability affecting wise-paas/ota (advantech).
Chance of exploitation in the next 30 days (EPSS): 0.87%, higher than 58.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
wise-paas/ota advantech	`= 3.0.9`	No fix yet

Description

A privilege escalation vulnerability exists in the installation of Advantech WISE-PaaS/OTA Server 3.0.9. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1409 · Exploit

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free