CVE-2024-55550KEV · OVERDUECWE-22path-traversal

Mitel MiCollab Path Traversal Vulnerability

Low · published December 11, 2024

Patch now

The score understates this — it's already being exploited

CVSS calls it low at 2.7. It is confirmed in active exploitation. It sits in the 98.6th percentile for exploit probability.

634
days past CISA
deadline
CVSS v3.1
2.7
EPSS
38%
Percentile
98.6
In the wild
Confirmed
What it is

⚠️ An authenticated admin could peek into files they shouldn't! The Mitel MiCollab vulnerability allows crafty admins to conduct a local file read due to insufficient input sanitization. 🔍 Think of it like a hotel where staff can access some back areas but not others. If a staff member finds a way to peek into the manager's office through an unlocked door, they can see information that’s normally off-limits — it’s sneaky but not an outright theft. An authenticated attacker with admin privileges could expose non-sensitive system information that they shouldn't normally access. While file modification or privilege escalation isn’t possible, the ability to read such files can give insights that could be leveraged for nefarious ends — and that’s not good for anyone!

Put simply

Think of it like a hotel where staff can access some back areas but not others. If a staff member finds a way to peek into the manager's office through an unlocked door, they can see information that’s normally off-limits — it’s sneaky but not an outright theft. This vulnerability in Mitel MiCollab arises from inadequate input sanitization, which allows authenticated attackers to perform local file reads, putting restricted system information within reach.

What to do

An authenticated attacker with admin privileges could expose non-sensitive system information that they shouldn't normally access. While file modification or privilege escalation isn’t possible, the ability to read such files can give insights that could be leveraged for nefarious ends — and that’s not good for anyone! To secure your systems, update Mitel MiCollab to the latest version to benefit from improved input validation. Additionally, review administrative access controls to ensure only necessary privileges are granted. Regular audits of user permissions can further minimize risks. You’ve got this! With a quick patch and some proactive measures, you can keep your system safe and sound! 🛡️

The record
Technical detail
CVSS v3.1
2.7 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.38155 · 98.6th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2024-12-11T00:15Z
KEV added
2025-01-07 · due 2025-01-28
Affected products (1)
ProductVersionsFixed in
mitel/micollab≤ 9.8.1.201—
References (3)
EPSS history
Timeline
  • 07 JAN 00:00Z
    Added to CISA KEV — remediate by Jan 28
    kev
  • 10 DEC 00:00Z
    Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local file read, due to insufficient input…
    cvelistv5