Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
n/a n/a — Mitel MiCollab
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L H N U L N N 2.7 .3810 98.4 YES
AFFECTED
Product Versions Fixed
n/a n/a – —
TIMELINE
Dec 8 Reserved by mitre
Jan 7 Added to CISA KEV, remediation due 2025-01-28
Jan 7 Published (CNA: mitre)
Aug 4 RESCORED — CVE-2024-55550. CVSS 4.4 → 2.7 (NVD).
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.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
| December 8, 2024 | Reserved | Reserved by mitre |
| January 7, 2025 | KEV ADDED | Added to CISA KEV, remediation due 2025-01-28 |
| January 7, 2025 | Published | Published (CNA: mitre) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2024-55550. CVSS 4.4 → 2.7 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| n/a | n/a | — | n/a | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-55550 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.