VDB-117793 · CVE-2018-7495 · BID 104190

Advantech WebAccess/WebAccess Dashboard/WebAccess Scada Node path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Advantech WebAccess, WebAccess Dashboard and WebAccess Scada Node. Impacted is an unknown function. This manipulation causes path traversal. This vulnerability appears as CVE-2018-7495. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Advantech WebAccess, WebAccess Dashboard and WebAccess Scada Node (SCADA Software) (the affected version is unknown). Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity, and availability. The summary by CVE is:

In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an external control of file name or path vulnerability has been identified, which may allow an attacker to delete files.

The bug was discovered 05/15/2018. The weakness was presented 05/15/2018 by Steven Seeley (rgod) (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2018-7495 since 02/26/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 11995 (Advantech WebAccess Multiple Security Vulnerabilities).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104190†). See VDB-117799, VDB-117778, VDB-117779 and VDB-117780 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: Upgrade
Status: 🔍

Timelineinfo

02/26/2018 🔍
05/15/2018 +77 days 🔍
05/15/2018 +0 days 🔍
05/15/2018 +0 days 🔍
05/15/2018 +0 days 🔍
05/16/2018 +1 days 🔍
02/05/2020 +630 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com
Researcher: Steven Seeley (rgod)
Status: Not defined

CVE: CVE-2018-7495 (🔍)
GCVE (CVE): GCVE-0-2018-7495
GCVE (VulDB): GCVE-100-117793
SecurityFocus: 104190 - Advantech WebAccess ICSA-18-135-01 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 05/16/2018 10:08
Updated: 02/05/2020 18:03
Changes: 05/16/2018 10:08 (60), 02/05/2020 18:03 (5)
Complete: 🔍
Cache ID: 216::103

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

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