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CVE-2021-22676

Published: Aug 10, 2021Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.6%
Top 54.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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).

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

WebAccess/SCADAn/a
webaccess\/scadaadvantechICS / OT / IoT
advantechcommercialTWICS / OT / IoTaka webaccess, advantech webaccess, r-seenet

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04
us-cert.cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-217-04.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-21-217-04
cisa.gov
and 8 more references View all →

Timeline

Published
Aug 10, 2021
Last Updated
Nov 21, 2024

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