CVE-2023-0811
Description
Omron CJ1M unit v4.0 and prior has improper access controls on the memory region where the UM password is stored. If an adversary issues a PROGRAM AREA WRITE command to a specific memory region, they could overwrite the password. This may lead to disabling UM protections or setting a non-ASCII password (non-keyboard characters) and preventing an engineer from viewing or modifying the user program.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Omron
commercial·JP
Omron Electronics LLC
commercial·JPaka omron cx-programmer, omron cx-position, sysmac studio
and 125 more affected products View all →
Exploitability
Official Patch Available
Workaround Available
References
https://www.cisa.gov/news-events/ics-advisories/icsa-23-073-01
cisa.gov
https://www.ia.omron.com/product/vulnerability/OMSR-2023-001_en.pdf
ia.omron.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2023/icsa-23-073-01.json
raw.githubusercontent.com
and 6 more references View all →
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