What is CVE-2025-27513?

CVE-2025-27513 is a high-severity vulnerability in Open-telemetry Opentelemetry-dotnet, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-03-05.

How severe is CVE-2025-27513?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Open-telemetry Opentelemetry-dotnet

CVE-2025-27513

OpenTelemetry dotnet is a dotnet telemetry framework. A vulnerability in OpenTelemetry.Api package 1.10.0 to 1.11.1 could cause a Denial of Service (DoS) when a tracestate and traceparent header is received. Even if an application does not…

EPSS: 0.001 (16.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Open-telemetry Opentelemetry-dotnet — versions >= 1.10.0-beta.1, < 1.11.2

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-8785-wc3w-h8q6 (x_refsource_CONFIRM)
https://github.com/open-telemetry/opentelemetry-dotnet/commit/1b555c1201413f2f55f2cd3c4ba03ef4b615b6b5 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-27513?: CVE-2025-27513 is a high-severity vulnerability in Open-telemetry Opentelemetry-dotnet, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-03-05.
How severe is CVE-2025-27513?: High severity. CVSS v3 base score is 7.5 out of 10.