VDB-135953 · CVE-2019-5298 · sa-20190327-01

Huawei AP prior V200R009C00SPC800 Serial Port 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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Huawei AP. This issue affects some unknown processing of the component Serial Port. The manipulation leads to improper authentication. This vulnerability is listed as CVE-2019-5298. The attack must be carried out locally. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Huawei AP. It has been rated as critical. This issue affects some unknown processing of the component Serial Port. 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. The summary by CVE is:

There is an improper authentication vulnerability in some Huawei AP products before version V200R009C00SPC800. Due to the improper implementation of authentication for the serial port, an attacker could exploit this vulnerability by connecting to the affected products and running a series of commands.

The bug was discovered 03/27/2019. The weakness was presented 06/04/2019 (Website). The advisory is shared at huawei.com. The identification of this vulnerability is CVE-2019-5298 since 01/04/2019. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 69 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version V200R009C00SPC800 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
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: Yes
Local: Yes
Remote: No

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: 🔍

Upgrade: AP V200R009C00SPC800

Timelineinfo

01/04/2019 🔍
03/27/2019 +82 days 🔍
06/04/2019 +69 days 🔍
06/05/2019 +1 days 🔍
09/28/2023 +1576 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20190327-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-5298 (🔍)
GCVE (CVE): GCVE-0-2019-5298
GCVE (VulDB): GCVE-100-135953
OSVDB: - Huawei AP products command execution

Entryinfo

Created: 06/05/2019 09:14
Updated: 09/28/2023 07:56
Changes: 06/05/2019 09:14 (59), 06/19/2020 11:52 (1), 09/28/2023 07:56 (4)
Complete: 🔍
Cache ID: 216::103