How severe is CVE-2021-38364?

CVE-2021-38364 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-38364 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38364?

CVE-2021-38364 affects Opennetworking Onos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38364?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-38364 published?

CVE-2021-38364 was published on 2023-04-20 and last updated on 2026-06-17.

CVE-2021-38364

CVE-2021-38364 is a medium-severity vulnerability in Opennetworking Onos with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-697.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-697
Affected product: Opennetworking Onos
Published: 2023-04-20
Last modified: 2026-06-17

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.

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 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-38364 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38364?: CVE-2021-38364 affects Opennetworking Onos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38364?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38364 published?: CVE-2021-38364 was published on 2023-04-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opennetworking:onos:2.5.1:*:*:*:*:*:*:*

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