How severe is CVE-2024-35315?

CVE-2024-35315 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2024-35315 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-35315?

CVE-2024-35315 primarily affects Mitel Micollab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-35315?

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

Does CVE-2024-35315 have an EU (EUVD) identifier?

Yes. CVE-2024-35315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35280.

When was CVE-2024-35315 published?

CVE-2024-35315 was published on 2024-10-21 and last updated on 2026-06-17.

CVE-2024-35315

CVE-2024-35315 is a medium-severity vulnerability in Mitel Micollab with a CVSS 3.x base score of 5.6. 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-94.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-35280
Weakness: CWE-94
Affected product: Mitel Micollab
Published: 2024-10-21
Last modified: 2026-06-17

Description

A vulnerability in the Desktop Client of Mitel MiCollab through 9.7.1.110, and MiVoice Business Solution Virtual Instance (MiVB SVI) 1.0.0.25, could allow an authenticated attacker to conduct a privilege escalation attack due to improper file validation. A successful exploit could allow an attacker to run arbitrary code with elevated privileges.

Frequently asked questions

What is CVE-2024-35315?: A vulnerability in the Desktop Client of Mitel MiCollab through 9.7.1.110, and MiVoice Business Solution Virtual Instance (MiVB SVI) 1.0.0.25, could allow an authenticated attacker to conduct a privilege escalation attack due to improper file validation. A successful exploit could allow an attacker to run arbitrary code with elevated privileges.
How severe is CVE-2024-35315?: CVE-2024-35315 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2024-35315 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-35315?: CVE-2024-35315 primarily affects Mitel Micollab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-35315?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-35315 have an EU (EUVD) identifier?: Yes. CVE-2024-35315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35280.
When was CVE-2024-35315 published?: CVE-2024-35315 was published on 2024-10-21 and last updated on 2026-06-17.

References

https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0016

Affected products (2)

cpe:2.3:a:mitel:micollab:*:*:*:*:*:*:*:*
cpe:2.3:a:mitel:mivoice_business_solution_virtual_instance:1.0.0.25:*:*:*:*:*:*:*

More vulnerabilities in Mitel Micollab

CVE-2024-35314 — Critical (CVSS 9.8): A vulnerability in the Desktop Client of Mitel MiCollab through 9.7.1.110, and MiVoice Business Solution Virtual…
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