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    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-0856",
        "assignerOrgId": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
        "assignerShortName": "Canon",
        "dateUpdated": "2025-02-10T21:00:32.631Z",
        "dateReserved": "2023-02-16T00:00:00.000Z",
        "datePublished": "2023-05-11T00:00:00.000Z"
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    "containers": {
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                "orgId": "f98c90f0-e9bd-4fa7-911b-51993f3571fd",
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                "dateUpdated": "2023-05-11T00:00:00.000Z"
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "Buffer overflow in IPP sides attribute process of Office / Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *:Satera LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe."
                }
            ],
            "affected": [
                {
                    "vendor": "Canon Inc.",
                    "product": "Canon Office/Small Office Multifunction Printers and Laser Printers",
                    "versions": [
                        {
                            "version": "Satera LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe.",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.canon-europe.com/support/product-security-latest-news/"
                },
                {
                    "url": "https://psirt.canon/advisory-information/cp2023-001/"
                },
                {
                    "url": "https://canon.jp/support/support-info/230414vulnerability-response"
                },
                {
                    "url": "https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Vulnerabilities-Remediation-Against-Buffer-Overflow"
                }
            ],
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                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL"
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-121: Stack-based Buffer Overflow",
                            "cweId": "CWE-121"
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        "adp": [
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                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T05:24:34.652Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.canon-europe.com/support/product-security-latest-news/",
                        "tags": [
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-02-10T21:00:23.444340Z",
                                "id": "CVE-2023-0856",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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                    "dateUpdated": "2025-02-10T21:00:32.631Z"
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