VDB-104913 · CVE-2017-7920 · BID 99558

ABB VSN300 WiFi Logger Card 1.8.15 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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in ABB VSN300 WiFi Logger Card 1.8.15. The affected element is an unknown function. Performing a manipulation results in improper authentication. This vulnerability was named CVE-2017-7920. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in ABB VSN300 WiFi Logger Card 1.8.15 (Log Management Software). This affects an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An Improper Authentication issue was discovered in ABB VSN300 WiFi Logger Card versions 1.8.15 and prior, and VSN300 WiFi Logger Card for React versions 2.1.3 and prior. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access internal information about status and connected devices without authenticating.

The bug was discovered 07/11/2017. The weakness was presented 08/07/2017 by Maxim Rupp (Website). The advisory is shared at search.abb.com. This vulnerability is uniquely identified as CVE-2017-7920 since 04/18/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 27 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 99558†). See VDB-104912 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

ABB VSN300 WiFi Logger Card up to 1.8.15
ABB VSN300 WiFi Logger Card for React up to 2.1.3

Productinfo

Type

Log Management Software

Vendor

Name

VSN300 WiFi Logger Card

Version

1.8.15

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: 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

04/18/2017 🔍
07/11/2017 +84 days 🔍
07/11/2017 +0 days 🔍
08/07/2017 +27 days 🔍
08/07/2017 +0 days 🔍
08/07/2017 +0 days 🔍
11/04/2019 +819 days 🔍

Sourcesinfo

Advisory: search.abb.com
Researcher: Maxim Rupp
Status: Not defined

CVE: CVE-2017-7920 (🔍)
GCVE (CVE): GCVE-0-2017-7920
GCVE (VulDB): GCVE-100-104913
SecurityFocus: 99558 - ABB VSN300 WiFi Logger Card Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/07/2017 16:44
Updated: 11/04/2019 10:13
Changes: 08/07/2017 16:44 (64), 11/04/2019 10:13 (1)
Complete: 🔍
Cache ID: 216:B7F:103

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