CVE-2018-16226: mitel mivoice_office_400
Vulnerability summary
CVE-2018-16226 is a medium (CVSS 6.1) vulnerability in mitel mivoice_office_400. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 66.3% of scored vulnerabilities.
Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 23-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the web admin component of Mitel MiVoice Office 400, versions R5.0 HF3 (v8839a1) and earlier, could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack, due to insufficient validation for the start.asp page. A successful exploit could allow the attacker to execute arbitrary scripts to access sensitive browser-based information.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.12%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.12% 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, user interaction (CVSS vector). Other conditions: not stated in public data.
Mitel1 product
- mivoice_office_400r5.0:hotfix3
1 vendor · 1 product
References
1 links- www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0008X Refsource CONFIRMVendor Advisory