How severe is CVE-2023-25599?

CVE-2023-25599 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-25599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25599?

CVE-2023-25599 affects Mitel Mivoice Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-25599?

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-2023-25599 published?

CVE-2023-25599 was published on 2023-05-24 and last updated on 2026-06-17.

CVE-2023-25599

CVE-2023-25599 is a high-severity vulnerability in Mitel Mivoice Connect with a CVSS 3.x base score of 7.4. 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-79.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mitel Mivoice Connect
Published: 2023-05-24
Last modified: 2026-06-17

Description

A vulnerability in the conferencing component of Mitel MiVoice Connect through 19.3 SP2, 22.24.1500.0 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation for the test_presenter.php page. A successful exploit could allow an attacker to execute arbitrary scripts.

Frequently asked questions

What is CVE-2023-25599?: A vulnerability in the conferencing component of Mitel MiVoice Connect through 19.3 SP2, 22.24.1500.0 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation for the test_presenter.php page. A successful exploit could allow an attacker to execute arbitrary scripts.
How severe is CVE-2023-25599?: CVE-2023-25599 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-25599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25599?: CVE-2023-25599 affects Mitel Mivoice Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25599?: 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-2023-25599 published?: CVE-2023-25599 was published on 2023-05-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mitel:mivoice_connect:*:*:*:*:*:*:*:*

More vulnerabilities in Mitel Mivoice Connect

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