How severe is CVE-2023-22854?

CVE-2023-22854 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-22854 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-2023-22854?

CVE-2023-22854 affects Mitel Micontact Center Business. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22854?

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-2023-22854 published?

CVE-2023-22854 was published on 2023-02-13 and last updated on 2026-06-17.

CVE-2023-22854

CVE-2023-22854 is a high-severity vulnerability in Mitel Micontact Center Business with a CVSS 3.x base score of 7.5. 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-839.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-839
Affected product: Mitel Micontact Center Business
Published: 2023-02-13
Last modified: 2026-06-17

Description

The ccmweb component of Mitel MiContact Center Business server 9.2.2.0 through 9.4.1.0 could allow an unauthenticated attacker to download arbitrary files, due to insufficient restriction of URL parameters. A successful exploit could allow access to sensitive information.

Frequently asked questions

What is CVE-2023-22854?: The ccmweb component of Mitel MiContact Center Business server 9.2.2.0 through 9.4.1.0 could allow an unauthenticated attacker to download arbitrary files, due to insufficient restriction of URL parameters. A successful exploit could allow access to sensitive information.
How severe is CVE-2023-22854?: CVE-2023-22854 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-22854 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-2023-22854?: CVE-2023-22854 affects Mitel Micontact Center Business. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22854?: 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-2023-22854 published?: CVE-2023-22854 was published on 2023-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mitel:micontact_center_business:*:*:*:*:*:*:*:*

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