{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-0811", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2023-02-13T15:41:55.590Z", "datePublished": "2023-03-16T17:41:25.525Z", "dateUpdated": "2024-08-02T05:24:34.505Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "packageName": "CJ2H-CPU6 □ -EIP", "product": "CJ1M SYSMAC CJ-series", "vendor": "Omron ", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CJ2H-CPU6 □", "product": "CJ1M SYSMAC CJ-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CJ2M-CPU □ □", "product": "CJ1M SYSMAC CJ-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CJ1G-CPU □ □ P", "product": "CJ1M SYSMAC CJ-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CS1H-CPU □ □ H", "product": "CJ1M SYSMAC CS-series ", "vendor": "Omron ", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CS1G-CPU □ □ H", "product": "CJ1M SYSMAC CS-series ", "vendor": "Omron ", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CS1D-CPU □ □ HA", "product": "CJ1M SYSMAC CS-series ", "vendor": "Omron ", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CS1D-CPU □ □ H", "product": "CJ1M SYSMAC CS-series ", "vendor": "Omron ", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CS1D-CPU □ □ SA", "product": "CJ1M SYSMAC CS-series ", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CS1D-CPU □ □ S", "product": "CJ1M SYSMAC CS-series ", "vendor": "Omron ", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CS1D-CPU □ □ P", "product": "CJ1M SYSMAC CS-series ", "vendor": "Omron ", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP2E-E □ □ D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP2E-S □ □ D □- □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP2E-N □ □ D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1H-X40D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1H-XA40D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1H-Y20DT-D", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1L-EL20D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1L-EM □ □ D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1L-L □ □ D □- □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1L-M □ □ D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1E-E □ □ D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] }, { "defaultStatus": "unaffected", "packageName": "CP1E-NA □ □ D □ - □", "product": "CJ1M SYSMAC CP-series", "vendor": "Omron", "versions": [ { "status": "affected", "version": "All versions " } ] } ], "credits": [ { "lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Sam Hanson of Dragos reported these vulnerabilities to CISA. " } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\n\nOmron 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. \n\n" } ], "value": "\nOmron 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. \n\n" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-284", "description": "CWE-284 Improper Access Control ", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2023-03-16T17:45:14.919Z" }, "references": [ { "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-073-01" }, { "url": "https://www.ia.omron.com/product/vulnerability/OMSR-2023-001_en.pdf" } ], "source": { "discovery": "UNKNOWN" }, "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\n\n

OMRON has released the following countermeasures for users to implement:

If the countermeasures cannot be applied, OMRON recommends that customers take the following mitigation measures:

Security measures to prevent unauthorized access:

For more information, see Omron’s Security Advisory.


\n\n
" } ], "value": "\nOMRON has released the following countermeasures for users to implement: \n\n * Enable the hardware switch to prohibit writing UM (DIP switch on front panel of the CPU Unit) \n * Set UM read protection password and “Prohibit from overwriting to a protected program “option. \n\n\nIf the countermeasures cannot be applied, OMRON recommends that customers take the following mitigation measures: \n\nSecurity measures to prevent unauthorized access: \n\n * If the following products and versions are used, the risk of attacks by an attacker via the network can be reduced by taking the following measures. * Enable the FINS write protection function. \n * Select the Protect by IP Address \n\n\n\n * Minimize connection of control systems and equipment to open networks, so that untrusted devices will be unable to access them.  \n * Implement firewalls (by shutting down unused communications ports, limiting communications hosts, limiting access to FINS port (9600)) and isolate them from the IT network. \n * Use a virtual private network (VPN) for remote access to control systems and equipment. \n * Use strong passwords and change them frequently. \n * Install physical controls so that only authorized personnel can access control systems and equipment. \n * Scan virus to ensure safety of any USB drives or similar devices before connecting them to systems and devices. \n * Enforce multifactor authentication to all devices with remote access to control systems and equipment whenever possible. \n * Anti-virus protection * Protect any PC with access to the control system against malware and ensure installation and maintenance of up-to-date commercial grade anti-virus software protection. \n\n\n\n * Data input and output protection * Validation processing such as backup and range check to cope with unintentional modification of input/output data to control systems and devices. \n\n\n\n * Data recovery * Periodical data backup and maintenance to prepare for data loss. \n\n\n\n\n\nFor more information, see Omron’s Security Advisory https://www.ia.omron.com/product/vulnerability/OMSR-2023-001_en.pdf .\n\n\n\n\n\n" } ], "x_generator": { "engine": "Vulnogram 0.1.0-dev" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T05:24:34.505Z" }, "title": "CVE Program Container", "references": [ { "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-073-01", "tags": [ "x_transferred" ] }, { "url": "https://www.ia.omron.com/product/vulnerability/OMSR-2023-001_en.pdf", "tags": [ "x_transferred" ] } ] } ] } }