VDB-105985 · CVE-2017-12698 · BID 100526

Advantech WebAccess up to 8.2 improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess up to 8.2. It has been classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes improper authentication. This vulnerability is registered as CVE-2017-12698. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Advantech WebAccess up to 8.2 (SCADA Software). Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An Improper Authentication issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Specially crafted requests allow a possible authentication bypass that could allow remote code execution.

The bug was discovered 08/29/2017. The weakness was published 08/30/2017 with Tenable Network Security (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-12698 since 08/09/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

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 $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11860 (Advantech WebAccess Multiple Security Vulnerabilities).

Upgrading to version 8.2_20170817 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100526†). Similar entries are available at VDB-105986, VDB-105987, VDB-105988 and VDB-105989. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: 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-DayUnlockUnlockUnlockUnlock
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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebAccess 8.2_20170817

Timelineinfo

08/09/2017 🔍
08/29/2017 +20 days 🔍
08/29/2017 +0 days 🔍
08/30/2017 +1 days 🔍
08/30/2017 +0 days 🔍
08/31/2017 +1 days 🔍
11/12/2019 +803 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com⛔
Organization: Tenable Network Security
Status: Not defined

CVE: CVE-2017-12698 (🔍)
GCVE (CVE): GCVE-0-2017-12698
GCVE (VulDB): GCVE-100-105985
SecurityFocus: 100526 - Advantech WebAccess ICSA-17-241-02 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/31/2017 10:27
Updated: 11/12/2019 08:44
Changes: 08/31/2017 10:27 (57), 11/12/2019 08:44 (10)
Complete: 🔍
Cache ID: 216::103

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

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