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CVE-2021-38406

Delta Electronics DOPSoft 2 Out-of-Bounds Write

Published: Sep 17, 2021Updated: Oct 30, 2025 Sources: CVE List NVD BDU csafCWE-787
7.8HIGH
NVD MITRE
EPSS Score
77.9%
Top 0.5%
CISA KEV
Active Exploitation
Since Aug 25, 2022
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

Delta Electronics
commercial·TW
DOPSoft 2
ICS / OT / IoT
Delta Electronics, Inc.
commercial·TWaka infrasuite device master, industrial automation dopsoft, diascreen
DOPSoft
ICS / OT / IoT
deltaww
commercial·TW
dopsoft
Enterprise Software

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Aug 25, 2022
Remediation due:Sep 15, 2022

Required action: The impacted product is end-of-life and should be disconnected if still in use.

Official Patch Available
Is your org exposed to CVE-2021-38406?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02
us-cert.cisa.gov
https://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv
cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-252-02.json
raw.githubusercontent.com
and 9 more references View all →

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