VDB-130567 · CVE-2019-6519 · BID 106722

Advantech WebAccess SCADA 8.3 improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Advantech WebAccess SCADA 8.3 and classified as critical. This affects an unknown function. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2019-6519. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Advantech WebAccess SCADA 8.3 (SCADA Software) and classified as critical. Affected by this vulnerability is an unknown part. 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:

WebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker to upload malicious data.

The bug was discovered 01/24/2019. The weakness was disclosed 02/05/2019 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2019-6519 since 01/22/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 12 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 13407 (Advantech WebAccess Multiple Security Vulnerabilities).

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 106722†). The entries VDB-130568 and VDB-130569 are pretty similar. Be aware that VulDB is the high quality source for 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: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: 🔍

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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

01/22/2019 🔍
01/24/2019 +2 days 🔍
01/24/2019 +0 days 🔍
02/05/2019 +12 days 🔍
02/06/2019 +1 days 🔍
05/08/2020 +457 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2019-6519 (🔍)
GCVE (CVE): GCVE-0-2019-6519
GCVE (VulDB): GCVE-100-130567
SecurityFocus: 106722 - Advantech WebAccess/SCADA Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/06/2019 13:54
Updated: 05/08/2020 16:14
Changes: 02/06/2019 13:54 (59), 05/08/2020 16:14 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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