CVE-2021-25743
LOWCVSS 3/10EPSS 0.78%
Last modified
CVE-2021-25743 is a low-severity vulnerability rated 3/10 on the CVSS scale. kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
Description
kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events.
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Kubernetes | Kubernetes | <= 1.25.0 | — |
| Kubernetes | Kubernetes | 1.26.0 | Alpha0 |
References
- https://github.com/kubernetes/kubernetes/issues/101695Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220217-0003/Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/101695Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220217-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2021-25743?
kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events.
How severe is CVE-2021-25743?
CVE-2021-25743 has a CVSS score of 3/10 (LOW severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25743?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-25743?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST