CVE-2024-35315: A vulnerability in the Desktop Client of Mitel MiCollab through 9.7.1.110, and MiVoice Business Solution Virtu

Routine

MEDIUM 5.6UPGRADEDOWNGRADE

CVE-2024-35315 is a medium-severity flaw (CVSS 5.6) affecting micollab, mivoice business solution virtual instance. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.6 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-94
Published	2024-10-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mitel

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-10-21 21:15 UTCPublished CVE record published
2026-06-17 07:34 UTCUpdated Record last modified

mitel micollab UPGRADE

Affected: <= 9.7.1.110

Fixed in: newer than 9.7.1.110

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy micollab || rpm -q micollab || micollab --version

2. UPGRADE to newer than 9.7.1.110 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade micollab

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade micollab

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

mitel mivoice business solution virtual instance DOWNGRADE

Affected: 1.0.0.25

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0.25

1. Check installed version

apt-cache policy mivoice-business-solution-virtual-instance || rpm -q mivoice-business-solution-virtual-instance || mivoice-business-solution-virtual-instance --version

2. No fixed release: DOWNGRADE to a release before 1.0.0.25 (Debian / Ubuntu)

apt-cache madison mivoice-business-solution-virtual-instance sudo apt install mivoice-business-solution-virtual-instance=<VERSION_BEFORE_1.0.0.25> sudo apt-mark hold mivoice-business-solution-virtual-instance

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mivoice-business-solution-virtual-instance sudo dnf downgrade mivoice-business-solution-virtual-instance-<VERSION_BEFORE_1.0.0.25> sudo dnf versionlock add mivoice-business-solution-virtual-instance

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-35315?

micollab: upgrade to newer than 9.7.1.110; mivoice business solution virtual instance: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-35315 being exploited?

CVE-2024-35315 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-35315 affect?

CVE-2024-35315 affects micollab, mivoice business solution virtual instance. Severity is medium (CVSS 5.6). 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 fi

How urgent is CVE-2024-35315?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2024-55550 LOW 2.7 EXPLOITED UPGRADE Mitel MiCollab Path Traversal Vulnerability
CVE-2024-41713 CRITICAL 9.1 EXPLOITED UPGRADE Mitel MiCollab Path Traversal Vulnerability
CVE-2025-52914 HIGH 8.8 UPGRADE A vulnerability in the Suite Applications Services component of Mitel MiCollab 10.0 through SP1 FP1 (10.0.1.10
CVE-2024-47912 HIGH 8.2 UPGRADE A vulnerability in the AWV (Audio, Web, and Video) Conferencing component of Mitel MiCollab through 9.8 SP1 FP
CVE-2024-47224 MEDIUM 6.5 UPGRADE A vulnerability in the AWV (Audio, Web and Video Conferencing) component of Mitel MiCollab through 9.8 SP1 FP2

References

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