VDB-117584 · CVE-2018-7941 · sa-20180509-01

Huawei iBMC V200R002C60 improper authentication

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Huawei iBMC V200R002C60. Impacted is an unknown function. Such manipulation leads to improper authentication. This vulnerability is traded as CVE-2018-7941. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Huawei iBMC V200R002C60. It has been rated as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Huawei iBMC V200R002C60 have an authentication bypass vulnerability. A remote attacker with low privilege may craft specific messages to upload authentication certificate to the affected products. Due to improper validation of the upload authority, successful exploit may cause privilege elevation.

The bug was discovered 05/09/2018. The weakness was shared 05/10/2018 (Website). The advisory is shared for download at huawei.com. This vulnerability is handled as CVE-2018-7941 since 03/09/2018. The exploitation is known to be easy. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/11/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Huawei

Name

iBMC

Version

V200R002C60

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 8.8
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: Improper authentication
CWE: CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2018 🔍
05/09/2018 +61 days 🔍
05/10/2018 +0 days 🔍
05/10/2018 +0 days 🔍
05/10/2018 +0 days 🔍
03/11/2023 +1766 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20180509-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7941 (🔍)
GCVE (CVE): GCVE-0-2018-7941
GCVE (VulDB): GCVE-100-117584

Entryinfo

Created: 05/10/2018 21:40
Updated: 03/11/2023 14:40
Changes: 05/10/2018 21:40 (55), 02/04/2020 09:56 (2), 03/11/2023 14:40 (3)
Complete: 🔍
Cache ID: 216::103