Path Traversal in Mitel Mivoice Connect Client
CVE-2020-12456
A remote code execution vulnerability in Mitel MiVoice Connect Client before 214.100.1223.0 could allow an attacker to execute arbitrary code in the chat notification window, due to improper rendering of chat messages. A successful exploit could allow an attacker to steal session cookies, perform directory traversal, and execute arbitrary scripts in the context of the Connect client.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.mitel.com/support/security-advisories (Vendor Advisory)
- www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-00… (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-12456?
- CVE-2020-12456 is a high-severity vulnerability in Mitel Mivoice Connect Client, classified under Path Traversal. CVSS score: 8.8/10. Published 2020-08-26.
- How severe is CVE-2020-12456?
- High severity. CVSS v3 base score is 8.8 out of 10.