Skip to main content

Webaccess CVE-2019-3941

HIGH
Missing Authentication for Critical Function (CWE-306)
2019-04-09 vulnreport@tenable.com
Authentication Bypass Webaccess
7.5
CVSS 3.0 · NVD
Share

Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

1
CVE Published
Apr 09, 2019 - 16:29 nvd
HIGH 7.5

DescriptionNVD

Advantech WebAccess 8.3.4 allows unauthenticated, remote attackers to delete arbitrary files via IOCTL 10005 RPC.

AnalysisAI

Advantech WebAccess 8.3.4 allows unauthenticated, remote attackers to delete arbitrary files via IOCTL 10005 RPC. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. Advantech WebAccess 8.3.4 allows unauthenticated, remote attackers to delete arbitrary files via IOCTL 10005 RPC. Affected products include: Advantech Webaccess.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.

More in Webaccess

View all
CVE-2016-0854 CRITICAL POC
9.8 Jan 15

Unrestricted file upload vulnerability in the uploadImageCommon function in the UploadAjaxAction script in the WebAccess
CVE-2016-0856 CRITICAL
9.8 Jan 15

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code
CVE-2014-9208 CRITICAL POC
10.0 Sep 11

Multiple stack-based buffer overflows in unspecified DLL files in Advantech WebAccess before 8.0.1 allow remote attacker
CVE-2017-14016 MEDIUM POC
6.3 Nov 06

A Stack-based Buffer Overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Rated medium

CVE-2016-5810 MEDIUM POC
4.9 May 02

upAdminPg.asp in Advantech WebAccess before 8.1_20160519 allows remote authenticated administrators to obtain sensitive

CVE-2019-3951 CRITICAL POC
9.8 Dec 12

Advantech WebAccess before 8.4.3 allows unauthenticated remote attackers to execute arbitrary code or cause a denial of

CVE-2019-3975 CRITICAL POC
9.8 Sep 10

Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.1 allows a remote, unauthenticated attacker to execute arbi
CVE-2019-3954 CRITICAL POC
9.8 Jun 19

Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.0 allows a remote, unauthenticated attacker to execute arbi
CVE-2019-3953 CRITICAL POC
9.8 Jun 18

Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.0 allows a remote, unauthenticated attacker to execute arbi
CVE-2018-6911 CRITICAL POC
9.8 Feb 13

The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote attackers to execute arbitrary OS
CVE-2018-15704 HIGH POC
8.8 Oct 22

Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability. Rated high severity (CVSS 8.
CVE-2017-12698 CRITICAL
9.8 Aug 30

An Improper Authentication issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Rated critical s

Same weakness CWE-306 – Missing Authentication for Critical Function

View all
CVE-2017-10271 HIGH POC
7.5
CVE-2025-3248 CRITICAL POC
9.8
CVE-2024-11680 CRITICAL POC
9.8
CVE-2025-0108 HIGH POC
8.8
CVE-2025-32433 CRITICAL POC
10.0
CVE-2016-2004 CRITICAL POC
9.8
CVE-2024-46506 CRITICAL POC
10.0
CVE-2025-8943 CRITICAL POC
9.8

Same technique Authentication Bypass

View all
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2012-1723 CRITICAL POC
9.8
CVE-2017-10271 HIGH POC
7.5
CVE-2015-1427 CRITICAL POC
9.8
CVE-2025-3248 CRITICAL POC
9.8

Share

CVE-2019-3941 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy