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

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CVE-2019-9228

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/07/2019
Last modified:
04/08/2024

Description

An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A at least to 7.20A.252.062. The (1) management SSH and (2) management TELNET features allow remote attackers to cause a denial of service (connection slot exhaustion) via 5 unauthenticated connection attempts, because the maximum number of unauthenticated clients that can be configured is 5. NOTE: the vendor's position is that this is a "design choice.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:audiocodes:median_500l-msbr_firmware:*:*:*:*:*:*:*:* f7.20a (including) f7.20a.252.062 (including)
cpe:2.3:h:audiocodes:median_500l-msbr:-:*:*:*:*:*:*:*
cpe:2.3:o:audiocodes:median_500-msbr_firmware:*:*:*:*:*:*:*:* f7.20a (including) f7.20a.252.062 (including)
cpe:2.3:h:audiocodes:median_500-msbr:-:*:*:*:*:*:*:*
cpe:2.3:o:audiocodes:median_m800b-msbr_firmware:*:*:*:*:*:*:*:* f7.20a (including) f7.20a.252.062 (including)
cpe:2.3:h:audiocodes:median_m800b-msbr:-:*:*:*:*:*:*:*
cpe:2.3:o:audiocodes:median_800c-msbr_firmware:*:*:*:*:*:*:*:* f7.20a (including) f7.20a.252.062 (including)
cpe:2.3:h:audiocodes:median_800c-msbr:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools