CVE & CISA-KEV Catalog

CVE-2021-38364

MEDIUM
6.5
CVSS v3
NVD

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.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
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

Exploit Intelligence

0.85%probability of exploitation in 30 days
55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Related Vulnerabilities

Other CWE-697 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-5217Critical9.8100%KEV-
CVE-2020-5849High7.593%KEV-
CVE-2020-8864High8.880%--
CVE-2025-3102High8.176%--
CVE-2023-32571Critical9.835%--
CVE-2020-8862High8.813%--

Common questions

How do I fix CVE-2021-38364?

No published fix for CVE-2021-38364 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

Is CVE-2021-38364 being actively exploited?

Not that we know of. CVE-2021-38364 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.85% is the estimated probability that it will be exploited in the next 30 days. That is higher than 55% of all scored CVEs.

How severe is CVE-2021-38364?

CVE-2021-38364 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-02-05.