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CVE-2021-23138

Published: Jan 14, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-121
NVD MITRE
7.8CVSSHIGH
EPSS Score
9.3%
Top 5.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.

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
Open in CVSS calculator →

Weaknesses

CWE-121CWE-787

Affected Products

LeviStudioUWECON
Embedded
ICS / OT / IoT / plc-scada-hmi
LeviStudioUWECON Technology Co., Ltd.
Mixed
ICS / OT / IoT / building-automation
levistudiouwe-con
Embedded
ICS / OT / IoT / plc-scada-hmi
weconcommercialICS / OT / IoT
wecon technology co., ltd.commercialICS / OT / IoTaka levistudiou, pi studio, pi studio hmi
we-concommercialICS / OT / IoTaka plc editor, pi studio, levistudiou

Attack Graph

Products CVE Techniques Tactics

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

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03
cisa.gov
https://www.zerodayinitiative.com/advisories/ZDI-22-133/
zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-22-139/
zerodayinitiative.com
and 23 more references View all →

Timeline

Published
Jan 14, 2022
Last Updated
Nov 21, 2024

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