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TI-2024-36877 Aliases CVE-2024-55550GHSA-4c8h-4mm2-mm5g

Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative…

Priority HIGH 78Exploited in the wildCWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2025-01-07CISA due date 2025-01-28Known ransomware use
EPSS 0.38155 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mitel:micollab:*:*:*:*:*:-:*:*up to 9.8.1.201VulnerableMitel
  • cpe:2.3:a:mitel:micollab:*:*:*:*:*:-:*:* Versions up to 9.8.1.201 Vulnerable ·Mitel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2025-01-07 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2024-55550
  3. 2026-10-03 Alias added: GHSA-4c8h-4mm2-mm5g

References

Advisory 2

  • TI-2022-09601 The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice… KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-27773 A vulnerability in the NuPoint Unified Messaging (NPM) component of Mitel MiCollab… KEVCVSS 3.1CRITICAL 9.1
  • TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
  • TI-2024-23347 A vulnerability in NuPoint Messenger (NPM) of Mitel MiCollab through 9.8.0.33 allows an… CVSS 3.1CRITICAL 9.8
  • TI-2018-02664 Observable discrepancy in Intel Multiple CVSS 3.1MEDIUM 5.5
  • TI-2024-23346 A vulnerability in NuPoint Messenger (NPM) of Mitel MiCollab through 9.8.0.33 allows an… CVSS 3.1CRITICAL 9.8
See all 47 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences