CVE-2021-40376
CVE-2021-40376 is a high-severity vulnerability in Otris Update Manager with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Otris Update Manager
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-40376?
- CVE-2021-40376 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-40376 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40376?
- CVE-2021-40376 affects Otris Update Manager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40376?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-40376 published?
- CVE-2021-40376 was published on 2022-03-10 and last updated on 2026-06-17.
References
- https://www.otris.com
- 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.pdf
- https://www.tuv.com/landingpage/en/vulnerability-disclosure/
Affected products (1)
- cpe:2.3:a:otris:update_manager:1.2.1.0:*:*:*:*:*:*:*
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