CVE-2019-6552
published 2019-04-05CVE-2019-6552: Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple command injection vulnerabilities, caused by a lack of proper validation of user-supplied data…
PriorityP262critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
3.27%
86.8th percentile
Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple command injection vulnerabilities, caused by a lack of proper validation of user-supplied data, may allow remote code execution.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| advantech | webaccess | <= 8.3.5 | — |
| advantech | webaccess_scada | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →CVE-2019-6552 affects Advantech WebAccess/SCADA versions 8.3.5 and prior; target command injection vulnerabilities caused by lack of proper validation of user-supplied data in this product ↗
- →CVE-2019-6552 is remotely exploitable with no authentication and low skill level required (CVSS v3 9.8, AV:N/AC:L/PR:N/UI:N); monitor for unauthenticated remote exploitation attempts against WebAccess/SCADA services ↗
- →No known public exploits specifically targeting CVE-2019-6552 were identified at time of advisory publication; prioritize network-level controls over signature-based detection ↗
- ·Affected versions are WebAccess/SCADA 8.3.5 and prior; version 8.4.0 is the patched release — ensure version fingerprinting targets this range ↗
- ·The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) confirms no privileges or user interaction are required, meaning the attack surface is the full network-exposed WebAccess/SCADA interface ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
CISA ICS
Advantech WebAccess/SCADA
cisa_ics·2019-04-02·CVSS 9.8
[CRITICAL] Advantech WebAccess/SCADA
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Advantech WebAccess/SCADA
Last RevisedApril 02, 2019
Alert CodeICSA-19-092-01
## 1. EXECUTIVE SUMMARY
-
CVSS v3 9.8
- ATTENTION: Exploitable remotely/low skill level to exploit
- Vendor: Advantech
- Equipment: WebAccess/SCADA
- Vulnerabilities: Command Injection, Stack-based Buffer Overflow, Improper Access Control
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities may cause a denial of service and allow remote code execution.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED PRODUCTS
The following versions of WebAccess/SCADA, a SCADA software platform, are af
GHSA
GHSA-8277-67w7-4h2q: Advantech WebAccess/SCADA, Versions 8
ghsa_unreviewed·2022-05-13
CVE-2019-6552 [CRITICAL] CWE-78 GHSA-8277-67w7-4h2q: Advantech WebAccess/SCADA, Versions 8
Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple command injection vulnerabilities, caused by a lack of proper validation of user-supplied data, may allow remote code execution.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2019-04-05
Published