VDB-108305 · CVE-2017-2131 · BID 101581

Panasonic KX-HJB1000 14.50/HJB1000_4.47 Access Restriction 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 (≈)
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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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Panasonic KX-HJB1000 14.50/HJB1000_4.47. Affected is an unknown function of the component Access Restriction. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2017-2131. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Panasonic KX-HJB1000 14.50/HJB1000_4.47. It has been rated as critical. This issue affects an unknown functionality of the component Access Restriction. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Panasonic KX-HJB1000 Home unit devices with firmware GHX1YG 14.50 or HJB1000_4.47 allow an attacker to bypass access restrictions to view the configuration menu via unspecified vectors.

The bug was discovered 10/17/2017. The weakness was published 10/20/2017 with Mitsui Bussan Secure Directions, Inc. (Website). The advisory is shared at jvn.jp. The identification of this vulnerability is CVE-2017-2131 since 12/01/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 101581†). Similar entries are available at VDB-108306 and VDB-108307. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
10/17/2017 +320 days 🔍
10/17/2017 +0 days 🔍
10/20/2017 +3 days 🔍
10/20/2017 +0 days 🔍
10/21/2017 +1 days 🔍
01/19/2021 +1186 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: Taizoh Tsukamoto
Organization: Mitsui Bussan Secure Directions, Inc.
Status: Not defined

CVE: CVE-2017-2131 (🔍)
GCVE (CVE): GCVE-0-2017-2131
GCVE (VulDB): GCVE-100-108305
SecurityFocus: 101581 - Panasonic Home Unit KX-HJB1000 CVE-2017-2131 Access Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 10/21/2017 14:32
Updated: 01/19/2021 12:13
Changes: 10/21/2017 14:32 (59), 11/27/2019 17:26 (4), 01/19/2021 12:13 (3)
Complete: 🔍
Cache ID: 216::103

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

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