CVE-2021-40376
otris Update Manager 1.2.1.0 allows local users to achieve SYSTEM access via unauthenticated...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-40376- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-40376- Updated
- 2026-11-02
EUVDEUVD-2021-27553 No score
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.
- Record
EUVD-2021-27553- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9x8w-8g8p-2qgx
otris Update Manager 1.2.1.0 allows local users to achieve SYSTEM access via unauthenticated...
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.
- Record
GHSA-9x8w-8g8p-2qgx- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-40376 is a high vulnerability (CVSS 7.8) in Otris Update Manager, published March 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.
References
otris.com
tuv.com/landingpage/en/vulnerability-disclosure
nvd.nist.gov/vuln/detail/CVE-2021-40376
github.com/advisories/GHSA-9x8w-8g8p-2qgx