CVE-2021-38364
MEDIUMCVSS 6.5/10EPSS 0.85%
Last modified
CVE-2021-38364 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in ONOS 2.5.1. There is an incorrect comparison of flow rules installed by intents. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
An issue was discovered in ONOS 2.5.1. There is an incorrect comparison of flow rules installed by intents. A remote attacker can install or remove a new intent, and consequently modify or delete the existing flow rules related to other intents.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opennetworking | Onos | 2.5.1 |
References
- https://www.usenix.org/system/files/sec23fall-prepub-285_kim-jiwon.pdfExploit, Technical Description, Third Party Advisory
- https://www.usenix.org/system/files/sec23fall-prepub-285_kim-jiwon.pdfExploit, Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-38364?
An issue was discovered in ONOS 2.5.1. There is an incorrect comparison of flow rules installed by intents. A remote attacker can install or remove a new intent, and consequently modify or delete the existing flow rules related to other intents.
How severe is CVE-2021-38364?
CVE-2021-38364 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38364?
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-2021-38364?
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