CVE-2021-40376

Name: CVE-2021-40376
Creator: NVD / NIST
Published: 2022-03-10T17:43:49.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2021-40376 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. otris Update Manager 1.2.1.0 allows local users to achieve SYSTEM access via unauthenticated calls to exposed interfaces over a .NET named pipe. A remote attack may be possible as well, by leveraging WsHTTPBinding for HTTP traffic on TCP port 9000.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

otris Update Manager 1.2.1.0 allows local users to achieve SYSTEM access via unauthenticated calls to exposed interfaces over a .NET named pipe. A remote attack may be possible as well, by leveraging WsHTTPBinding for HTTP traffic on TCP port 9000.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.39%

31.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Otris	Update Manager	1.2.1.0

References

https://www.otris.comVendor Advisory
https://www.tuv.com/content-media-files/master-content/global-landingpages/images/vulnerability-disclosure/tuv-rheinland-security-advisory-local-privilege-escalation-vulnerability-in-otris-update-manager.pdfExploit, Third Party Advisory
https://www.tuv.com/landingpage/en/vulnerability-disclosure/Third Party Advisory
https://www.otris.comVendor Advisory
https://www.tuv.com/content-media-files/master-content/global-landingpages/images/vulnerability-disclosure/tuv-rheinland-security-advisory-local-privilege-escalation-vulnerability-in-otris-update-manager.pdfExploit, Third Party Advisory
https://www.tuv.com/landingpage/en/vulnerability-disclosure/Third Party Advisory

Timeline

Published: Mar 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40376?

How severe is CVE-2021-40376?

CVE-2021-40376 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40376?

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-2021-40376?

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

Scan your code now

Source: NVD / NIST