CVE-2021-32943
published 2021-08-10CVE-2021-32943: The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/SCADA…
PriorityP359critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.87%
76.7th percentile
The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| advantech | webaccess_scada | < 8.4.5 | 8.4.5 |
| advantech | webaccess_scada | >= 9.0 < 9.0.1 | 9.0.1 |
| webaccess | scada | — | — |
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
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CISA ICS
Advantech WebAccess SCADA
cisa_ics·2021-08-05·CVSS 6.5
[MEDIUM] 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## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.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 RevisedAugust 05, 2021
Alert CodeICSA-21-217-04
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Advantech
- Equipment: WebAccess/SCADA
- Vulnerabilities: Cross-site Scripting (XSS), Relative Path Traversal, Stack-based Buffer Overflow
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow an attacker to hijack a user’s cookie/session tokens, gain unauthorized access to files and directories, and execute arbitrary code.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED
GHSA
GHSA-pg6r-cmxx-v6vf: The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/S
ghsa_unreviewed·2022-05-24
CVE-2021-32943 [CRITICAL] CWE-787 GHSA-pg6r-cmxx-v6vf: The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/S
The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-08-10
Published