MEDIUM
CVE-2021-38364
CWE-697Published: April 20, 2023· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official 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.
Technical Analysis
CVE-2021-38364 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Affected Vendors & Products
opennetworking1 product(s)
onos
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
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→
https://www.usenix.org/system/files/sec23fall-prepub-285_kim-jiwon.pdfExploit · Technical Description · Third Party Advisory
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https://www.usenix.org/system/files/sec23fall-prepub-285_kim-jiwon.pdfExploit · Technical Description · Third Party Advisory
Quick Facts
CVE IDCVE-2021-38364
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-697
CISA KEVNo
Affected1 vendor(s)
PublishedApr 20, 2023
Related CVEs (CWE-697)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-38364 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.