CVE-2023-22854: mitel micontact_center_business
Vulnerability summary
CVE-2023-22854 is a critical (CVSS 9.1) vulnerability in mitel micontact_center_business. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48.7% of scored vulnerabilities.
Severe, CVSS 9.1 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Timeline
- 13-02-2023PublishedVulnerability first disclosed.
- 21-03-2025Last modifiedVulnerability information updated.
Description
The ccmweb component of Mitel MiContact Center Business server 9.2.2.0 through 9.4.1.0 could allow an unauthenticated attacker to download arbitrary files, due to insufficient restriction of URL parameters. A successful exploit could allow access to sensitive information.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.60% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Mitel1 product
- micontact_center_business≥ 9.2.2.0, < 9.4.2.0
1 vendor · 1 product
References
2 links- www.mitel.com/support/security-advisoriesVendor Advisory