CVE-2021-22676
published 2021-08-10CVE-2021-22676: UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This…
PriorityP425medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.64%
46.2th percentile
UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action 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
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
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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## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.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-xwfh-4h89-6h98: UserExcelOut
ghsa_unreviewed·2022-05-24
CVE-2021-22676 [MEDIUM] CWE-79 GHSA-xwfh-4h89-6h98: UserExcelOut
UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action 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