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CVE-2021-38408

Published: Sep 9, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-121
9.8CRITICAL
NVD MITRE
EPSS Score
11.6%
Top 4.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the length of user-supplied data may allow remote code execution.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-121

Affected Products

Advantech Co., Ltd
commercial·TWaka advantech
Advantech WebAccess
ICS / OT / IoT
advantech
commercial·TWaka r-seenet, advantech webaccess, webaccess
webaccess
ICS / OT / IoT
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-38408?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03
us-cert.cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-245-03.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-21-245-03
cisa.gov
and 5 more references View all →

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