CVE-2021-40397

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory talosintelligence.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1409 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-40397?
CVE-2021-40397 has been scored as a high severity vulnerability.
How to fix CVE-2021-40397?
To fix CVE-2021-40397, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40397 being actively exploited in the wild?
It is possible that CVE-2021-40397 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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