Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX 6.11.718.0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-16486.
References (2)
Core 2
Core References
Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-10
Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-1454/
Scores
CVSS v3
9.1
EPSS
0.0075
EPSS Percentile
73.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-119
CWE-122
Status
published
Products (8)
ge/industrial_gateway_server
< 7.612
ptc/kepware_kepserverex
< 6.12
ptc/opc-aggregator
< 6.12
ptc/thingworx_industrial_connectivity
ptc/thingworx_kepware_edge
< 1.4
ptc/thingworx_kepware_server
< 6.12
rockwellautomation/kepserver_enterprise
< 6.12
softwaretoolbox/top_server
< 6.12
Published
Mar 29, 2023
Tracked Since
Feb 18, 2026