Vulnerability in Mitel 6863i
CVE-2019-18863
A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Mitel 6863i
- Mitel 6863i Firmware — versions 5.1.0.2051
- Mitel 6865i
- Mitel 6865i Firmware — versions 5.1.0.2051
- Mitel 6867i
- Mitel 6867i Firmware — versions 5.1.0.2051
- Mitel 6869i
- Mitel 6869i Firmware — versions 5.1.0.2051
- Mitel 6873i
- Mitel 6873i Firmware — versions 5.1.0.2051
Weakness classification (CWE)
References
- www.mitel.com/support/security-advisories (Vendor Advisory)
- www.mitel.com/support/security-advisories/mitel-product-security-advisory-19-00… (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-18863?
- CVE-2019-18863 is a medium-severity vulnerability in Mitel 6863i, classified under Inadequate Encryption Strength. CVSS score: 5.9/10. Published 2020-03-02.
- How severe is CVE-2019-18863?
- Medium severity. CVSS v3 base score is 5.9 out of 10.