VDB-128638 · CVE-2018-7900 · Qualys 13409

Huawei HG information disclosure

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.
5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Huawei HG. It has been declared as problematic. This issue affects some unknown processing. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2018-7900. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Huawei HG (version now known). This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

There is an information leak vulnerability in some Huawei HG products. An attacker may obtain information about the HG device by exploiting this vulnerability.

The bug was discovered 12/19/2018. The weakness was presented 01/02/2019 (Website). The advisory is available at huawei.com. This vulnerability was named CVE-2018-7900 since 03/09/2018. The exploitation appears to be easy. The attack can be initiated remotely. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/25/2020). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13409 (Huawei HG Default Credentials Information Disclosure Vulnerability).

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

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2018 🔍
12/19/2018 +285 days 🔍
01/02/2019 +14 days 🔍
01/02/2019 +0 days 🔍
01/03/2019 +1 days 🔍
04/25/2020 +478 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: huawei.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7900 (🔍)
GCVE (CVE): GCVE-0-2018-7900
GCVE (VulDB): GCVE-100-128638

Entryinfo

Created: 01/03/2019 12:51
Updated: 04/25/2020 20:11
Changes: 01/03/2019 12:51 (56), 04/25/2020 20:11 (2)
Complete: 🔍
Cache ID: 216::103

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