CVE-2021-34824
Last modified
CVE-2021-34824 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.. EPSS estimates a 1.97% chance of exploitation in the next 30 days.
Description
Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Istio | Istio | >= 1.8.0, < 1.9.6 |
| Istio | Istio | >= 1.10.0, < 1.10.2 |
References
- https://github.com/istio/istio/releasesRelease Notes, Third Party Advisory
- https://github.com/istio/istio/releasesRelease Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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