Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-18863

Severity CVSS v4.0:
Pending analysis
Type:
CWE-326 Inadequate Encryption Strength
Publication date:
02/03/2020
Last modified:
21/07/2021

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:mitel:6863i_firmware:*:*:*:*:*:*:*:* 5.1.0.2051 (excluding)
cpe:2.3:o:mitel:6863i_firmware:5.1.0.2051:-:*:*:*:*:*:*
cpe:2.3:o:mitel:6863i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:*
cpe:2.3:h:mitel:6863i:-:*:*:*:*:*:*:*
cpe:2.3:o:mitel:6865i_firmware:*:*:*:*:*:*:*:* 5.1.0.2051 (excluding)
cpe:2.3:o:mitel:6865i_firmware:5.1.0.2051:-:*:*:*:*:*:*
cpe:2.3:o:mitel:6865i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:*
cpe:2.3:h:mitel:6865i:-:*:*:*:*:*:*:*
cpe:2.3:o:mitel:6867i_firmware:*:*:*:*:*:*:*:* 5.1.0.2051 (excluding)
cpe:2.3:o:mitel:6867i_firmware:5.1.0.2051:-:*:*:*:*:*:*
cpe:2.3:o:mitel:6867i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:*
cpe:2.3:h:mitel:6867i:-:*:*:*:*:*:*:*
cpe:2.3:o:mitel:6869i_firmware:*:*:*:*:*:*:*:* 5.1.0.2051 (excluding)
cpe:2.3:o:mitel:6869i_firmware:5.1.0.2051:-:*:*:*:*:*:*
cpe:2.3:o:mitel:6869i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools