{"affected": [{"affectedData": [{"product": "B426 Firmware", "vendor": "Bosch", "versions": [{"lessThan": "03.08", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "B426-CN/B429- CN Firmware", "vendor": "Bosch", "versions": [{"lessThan": "03.08", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "B426-M Firmware", "vendor": "Bosch", "versions": [{"lessThan": "03.10", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "psirt@bosch.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:bosch:b426_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "98825A0E-FFC6-4C12-BC4E-B89A5065F238", "versionEndExcluding": "03.08", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:bosch:b426:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8846CF6-D7F7-4A65-BD96-F195D2EB1A22", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:bosch:b426-cn_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F60EA88F-9803-43AD-9E56-13ADB6BAD40E", "versionEndExcluding": "03.08", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:bosch:b426-cn:-:*:*:*:*:*:*:*", "matchCriteriaId": "E1A7D835-5716-4392-94E2-5F0718BC6C73", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:bosch:b429-cn_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E3421D66-6B7E-4345-B0AD-F396B4D3B05C", "versionEndExcluding": "03.08", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:bosch:b429-cn:-:*:*:*:*:*:*:*", "matchCriteriaId": "4E1A2E2D-4305-495A-B73A-4B438899222B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:bosch:b426-m_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8F31C2B-7EE5-41E9-AC29-A8E31C6D415B", "versionEndExcluding": "03.10", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:bosch:b426-m:-:*:*:*:*:*:*:*", "matchCriteriaId": "79D3F008-9125-43B1-8A2C-8C53F702A292", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019."}, {"lang": "es", "value": "Esta vulnerabilidad podr\u00eda permitir a un atacante secuestrar una sesi\u00f3n mientras un usuario est\u00e1 registrado en la p\u00e1gina web de configuraci\u00f3n. Esta vulnerabilidad fue detectada por un investigador de seguridad en B426 y encontrada durante las pruebas internas del producto en B426-CN/B429-CN, y B426-M y ya ha sido corregida a partir de la versi\u00f3n 3.08, que fue lanzada en junio de 2019"}], "id": "CVE-2021-23845", "lastModified": "2026-06-17T03:38:55.237", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "psirt@bosch.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-18T14:15:07.907", "references": [{"source": "psirt@bosch.com", "tags": ["Vendor Advisory"], "url": "https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html"}], "sourceIdentifier": "psirt@bosch.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@bosch.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}