What is CVE-2021-40376?

CVE-2021-40376 is a high-severity vulnerability in Otris Update Manager, classified under Improper Authentication. CVSS score: 7.8/10. Published 2022-03-10.

How severe is CVE-2021-40376?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Otris Update Manager

CVE-2021-40376

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.

Vulnerability class: Broken Authentication

EPSS: 0.004 (32.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Otris Update_manager — versions 1.2.1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40376?: CVE-2021-40376 is a high-severity vulnerability in Otris Update Manager, classified under Improper Authentication. CVSS score: 7.8/10. Published 2022-03-10.
How severe is CVE-2021-40376?: High severity. CVSS v3 base score is 7.8 out of 10.