How severe is CVE-2022-40298?

CVE-2022-40298 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40298 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40298?

CVE-2022-40298 affects Crestron Airmedia. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40298?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-40298 published?

CVE-2022-40298 was published on 2022-09-23 and last updated on 2026-06-17.

CVE-2022-40298

CVE-2022-40298 is a high-severity vulnerability in Crestron Airmedia with a CVSS 3.x base score of 8.8. 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-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Crestron Airmedia
Published: 2022-09-23
Last modified: 2026-06-17

Description

Crestron AirMedia for Windows before 5.5.1.84 has insecure inherited permissions, which leads to a privilege escalation vulnerability found in the AirMedia Windows Application, version 4.3.1.39. A low privileged user can initiate a repair of the system and gain a SYSTEM level shell.

Frequently asked questions

What is CVE-2022-40298?: Crestron AirMedia for Windows before 5.5.1.84 has insecure inherited permissions, which leads to a privilege escalation vulnerability found in the AirMedia Windows Application, version 4.3.1.39. A low privileged user can initiate a repair of the system and gain a SYSTEM level shell.
How severe is CVE-2022-40298?: CVE-2022-40298 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40298 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40298?: CVE-2022-40298 affects Crestron Airmedia. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40298?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40298 published?: CVE-2022-40298 was published on 2022-09-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:crestron:airmedia:4.3.1.39:*:*:*:*:windows:*:*

More vulnerabilities in Crestron Airmedia

CVE-2022-34102 — High (CVSS 8.8): Insufficient access control vulnerability was discovered in the Crestron AirMedia Windows Application, version…
CVE-2022-34100 — High (CVSS 8.8): A vulnerability was discovered in the Crestron AirMedia Windows Application, version 4.3.1.39, in which a…
CVE-2022-34101 — High (CVSS 7.8): A vulnerability was discovered in the Crestron AirMedia Windows Application, version 4.3.1.39, in which a user can…

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