CVE-2018-16226
CVE-2018-16226 is a medium-severity vulnerability in Mitel Mivoice Office 400 with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Mitel Mivoice Office 400
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2018-16226?
- 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.
- How severe is CVE-2018-16226?
- CVE-2018-16226 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2018-16226 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-16226?
- CVE-2018-16226 affects Mitel Mivoice Office 400. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-16226?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-16226 published?
- CVE-2018-16226 was published on 2018-10-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:mitel:mivoice_office_400:r5.0:hotfix3:*:*:*:*:*:*
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