Medium severity · published Mar 2, 2020
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…
5.9
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
6F
6863i Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD
6F
6865i Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD
6F
6867i Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD
6F
6869i Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD
6F
6873i Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD
6F
6920 Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD
6F
6930 Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD
6F
6940 Firmware · Mitel
before 5.1.0.2051; 5.1.0.2051; 5.1.0.2051 · source: NVD