Multiple vulnerabilities in Advantech WebAccess
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2019-6519 CVE-2019-6521 CVE-2019-6523 |
| CWE-ID | CWE-287 CWE-288 CWE-89 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
WebAccess Scada Node Server applications / SCADA systems Advantech WebAccess Server applications / SCADA systems |
| Vendor | Advantech Co., Ltd |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Improper authentication
EUVDB-ID: #VU17219
Risk: Low
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-6519
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to improper authentication. A remote attacker can bypass authentication to upload malicious data.
MitigationUpdate to version 8.3.5.
Vulnerable software versionsWebAccess Scada Node: 8.3.0
Advantech WebAccess: before 8.3.5
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-19-024-01
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Authentication bypass
EUVDB-ID: #VU17220
Risk: Low
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-6521
CWE-ID:
CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to improper authentication. A remote attacker can send a specially crafted request and bypass authentication to obtain and manipulate sensitive information.
MitigationUpdate to version 8.3.5.
Vulnerable software versionsWebAccess Scada Node: 8.3.0
Advantech WebAccess: before 8.3.5
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-19-024-01
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) SQL injection
EUVDB-ID: #VU17218
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-6523
CWE-ID:
CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary SQL commands in web application database.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted HTTP request to vulnerable script and execute arbitrary SQL commands in web application database.
Successful exploitation of the vulnerability may allow an attacker to gain administrative access to vulnerable web application.
MitigationUpdate to version 8.3.5.
Vulnerable software versionsWebAccess Scada Node: 8.3.0
Advantech WebAccess: before 8.3.5
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-19-024-01
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
