CVE & CISA-KEV Catalog

CVE-2019-18863

MEDIUM
5.9
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
6863i firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD
6865i firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD
6867i firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD
6869i firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD
6873i firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD
6920 firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD
6930 firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD
6940 firmwareNVD
Affected:< 5.1.0.2051Fixed in:5.1.0.2051CVE-2019-18863derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.51%probability of exploitation in 30 days
40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-326 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0224High7.495%-Fix
CVE-2017-1000486Critical9.894%KEVFix
CVE-2013-2566Medium5.984%-Fix
CVE-2017-11317Critical9.883%KEV-
CVE-2018-18325High7.574%KEV-
CVE-2018-15811High7.574%KEV-
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.