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

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CVE-2016-6670

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
07/09/2016
Last modified:
12/04/2025

Description

Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.

Impact

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

Base Score: 5.30 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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

Base Score 3.x
5.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

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

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:huawei_firmware:s12700:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s12700:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s9700_firmware:v200r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s9700_firmware:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s9700:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s7700_firmware:v200r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s7700_firmware:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s7700:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s9300_firmware:v200r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:s9300_firmware:v200r005c00:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s9300:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools