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CVE-2024-55550

Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local file read, due to insu

Affects Mitel MiCollab through 9.8 SP2, where an authenticated admin can read local files. Mitel's fix in MiCollab 9.8 SP2 (9.8.2.12) substantially mitigates the issue.

Published
Last modified
published
Listed in CISA KEV
Actively exploited
None on Exploit-DB, Metasploit or GitHub

Summary

Mitel MiCollab, a unified communications application, is affected by this vulnerability. An attacker who already has administrator access could read certain local files, gaining access to resources limited to the admin level, though the exposed information is non-sensitive and the flaw cannot be used to modify files or escalate privileges.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local file read, due to insufficient input sanitization. A successful exploit could allow the authenticated admin attacker to access resources that are constrained to the admin access level, and the disclosure is limited to non-sensitive system information. This vulnerability does not allow file modification or privilege escalation.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a n/a

    Version range not reported

References 2

mitel.com

FAQ

Questions about CVE-2024-55550

What does this mean?

An authenticated attacker with administrative privilege can read local files on the MiCollab system. The disclosure is limited to non-sensitive system information, and the bug does not allow file modification or privilege escalation.Source: mitel.com

Am I affected, and how do I check?

MiCollab through 9.8 SP2 is affected, which the affected products table lists as 9.8.1.201 and earlier. To check a installation, look up the MiCollab version in the admin interface and compare it with that release.Source: mitel.com

What should I do about it?

Move to MiCollab 9.8 SP2 (9.8.2.12) or later, which Mitel says substantially mitigates the issue. Mitel has also released a patch for releases 6.0 and above that is compatible with MiVB-x.Source: mitel.com

Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-01-07, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data

What if there's no patch?

The checked facts do not describe a workaround for systems without the fix. The only remedy listed is the patch for releases 6.0 and above, so a system that cannot take it has no documented mitigation.Source: mitel.com

Is the fix complete?

Mitel describes the fix as substantially mitigating CVE-2024-55550 rather than fully resolving it. The advisory does not say what residual exposure remains.Source: mitel.com