VDB-99189 · CVE-2016-2404 · sa-20160217-01

Huawei S5700/S6700/S7700/S9700/S12700/ACU2 AAA access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Huawei S5700, S6700, S7700, S9700, S12700 and ACU2. This affects an unknown part of the component AAA. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2016-2404. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Huawei S5700, S6700, S7700, S9700, S12700 and ACU2. This affects some unknown processing of the component AAA. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.

The bug was discovered 02/17/2016. The weakness was shared 04/02/2017 (Website). The advisory is shared at huawei.com. This vulnerability is uniquely identified as CVE-2016-2404 since 02/18/2016. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 410 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Huawei

Name

License

commercial

Website

Vendor: https://www.huawei.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/17/2016 🔍
02/18/2016 +1 days 🔍
04/02/2017 +409 days 🔍
04/02/2017 +0 days 🔍
04/03/2017 +1 days 🔍
11/24/2022 +2061 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20160217-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2404 (🔍)
GCVE (CVE): GCVE-0-2016-2404
GCVE (VulDB): GCVE-100-99189
OSVDB: - CVE-2016-2404 - Huawei - Multiple Products - Permission Control Issue

Entryinfo

Created: 04/03/2017 09:00
Updated: 11/24/2022 13:25
Changes: 04/03/2017 09:00 (56), 08/24/2020 20:39 (3), 11/24/2022 13:25 (4)
Complete: 🔍
Cache ID: 216::103