{ "containers": { "cna": { "affected": [ { "product": "Junos OS", "vendor": "Juniper Networks", "versions": [ { "lessThan": "12.3R12-S20", "status": "affected", "version": "12.3", "versionType": "custom" }, { "lessThan": "15.1R7-S11", "status": "affected", "version": "15.1", "versionType": "custom" }, { "lessThan": "18.3R3-S6", "status": "affected", "version": "18.3", "versionType": "custom" }, { "lessThan": "18.4R3-S10", "status": "affected", "version": "18.4", "versionType": "custom" }, { "lessThan": "19.1R3-S7", "status": "affected", "version": "19.1", "versionType": "custom" }, { "lessThan": "19.2R3-S4", "status": "affected", "version": "19.2", "versionType": "custom" }, { "lessThan": "19.3R3-S4", "status": "affected", "version": "19.3", "versionType": "custom" }, { "lessThan": "19.4R3-S6", "status": "affected", "version": "19.4", "versionType": "custom" }, { "lessThan": "20.1R3-S2", "status": "affected", "version": "20.1", "versionType": "custom" }, { "lessThan": "20.2R3-S3", "status": "affected", "version": "20.2", "versionType": "custom" }, { "lessThan": "20.3R3-S1", "status": "affected", "version": "20.3", "versionType": "custom" }, { "lessThan": "20.4R3", "status": "affected", "version": "20.4", "versionType": "custom" }, { "lessThan": "21.1R3", "status": "affected", "version": "21.1", "versionType": "custom" }, { "lessThan": "21.2R2", "status": "affected", "version": "21.2", "versionType": "custom" } ] } ], "configurations": [ { "lang": "en", "value": "The device must have J-Web's HTTP services enabled to be susceptible to this issue:\n\n [system services web-management http]" } ], "credits": [ { "lang": "en", "value": "Andy Coles of Microsoft MSRC Vulnerabilities and Mitigations Team" } ], "datePublic": "2021-10-13T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "A Protection Mechanism Failure vulnerability in the J-Web HTTP service of Juniper Networks Junos OS allows a remote unauthenticated attacker to perform Person-in-the-Middle (PitM) attacks against the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1 versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2." } ], "exploits": [ { "lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-311", "description": "CWE-311: Missing Encryption of Sensitive Data", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-325", "description": "CWE-325: Missing Cryptographic Step", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-693", "description": "CWE-693: Protection Mechanism Failure", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-300", "description": "CWE-300 Channel Accessible by Non-Endpoint ('Man-in-the-Middle')", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-19T18:17:31.000Z", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://kb.juniper.net/JSA11254" } ], "solutions": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 12.3R12-S20, 15.1R7-S11, 18.3R3-S6, 18.4R3-S10, 19.1R3-S7, 19.2R3-S4, 19.3R3-S4, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases.\n\nNote: Use of HTTP must also be discontinued." } ], "source": { "advisory": "JSA11254", "defect": [ "1603199" ], "discovery": "EXTERNAL" }, "title": "Junos OS: When using J-Web with HTTP an attacker may retrieve encryption keys via Person-in-the-Middle attacks.", "workarounds": [ { "lang": "en", "value": "Discontinue the use of HTTP, instead use HTTPS when using J-Web.\n\n [system services web-management https]" } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2021-10-13T16:00:00.000Z", "ID": "CVE-2021-31386", "STATE": "PUBLIC", "TITLE": "Junos OS: When using J-Web with HTTP an attacker may retrieve encryption keys via Person-in-the-Middle attacks." }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Junos OS", "version": { "version_data": [ { "version_affected": "<", "version_name": "12.3", "version_value": "12.3R12-S20" }, { "version_affected": "<", "version_name": "15.1", "version_value": "15.1R7-S11" }, { "version_affected": "<", "version_name": "18.3", "version_value": "18.3R3-S6" }, { "version_affected": "<", "version_name": "18.4", "version_value": "18.4R3-S10" }, { "version_affected": "<", "version_name": "19.1", "version_value": "19.1R3-S7" }, { "version_affected": "<", "version_name": "19.2", "version_value": "19.2R3-S4" }, { "version_affected": "<", "version_name": "19.3", "version_value": "19.3R3-S4" }, { "version_affected": "<", "version_name": "19.4", "version_value": "19.4R3-S6" }, { "version_affected": "<", "version_name": "20.1", "version_value": "20.1R3-S2" }, { "version_affected": "<", "version_name": "20.2", "version_value": "20.2R3-S3" }, { "version_affected": "<", "version_name": "20.3", "version_value": "20.3R3-S1" }, { "version_affected": "<", "version_name": "20.4", "version_value": "20.4R3" }, { "version_affected": "<", "version_name": "21.1", "version_value": "21.1R3" }, { "version_affected": "<", "version_name": "21.2", "version_value": "21.2R2" } ] } } ] }, "vendor_name": "Juniper Networks" } ] } }, "configuration": [ { "lang": "en", "value": "The device must have J-Web's HTTP services enabled to be susceptible to this issue:\n\n [system services web-management http]" } ], "credit": [ { "lang": "eng", "value": "Andy Coles of Microsoft MSRC Vulnerabilities and Mitigations Team" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A Protection Mechanism Failure vulnerability in the J-Web HTTP service of Juniper Networks Junos OS allows a remote unauthenticated attacker to perform Person-in-the-Middle (PitM) attacks against the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1 versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2." } ] }, "exploit": [ { "lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-311: Missing Encryption of Sensitive Data" } ] }, { "description": [ { "lang": "eng", "value": "CWE-325: Missing Cryptographic Step" } ] }, { "description": [ { "lang": "eng", "value": "CWE-693: Protection Mechanism Failure" } ] }, { "description": [ { "lang": "eng", "value": "CWE-300 Channel Accessible by Non-Endpoint ('Man-in-the-Middle')" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.juniper.net/JSA11254", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11254" } ] }, "solution": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 12.3R12-S20, 15.1R7-S11, 18.3R3-S6, 18.4R3-S10, 19.1R3-S7, 19.2R3-S4, 19.3R3-S4, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases.\n\nNote: Use of HTTP must also be discontinued." } ], "source": { "advisory": "JSA11254", "defect": [ "1603199" ], "discovery": "EXTERNAL" }, "work_around": [ { "lang": "en", "value": "Discontinue the use of HTTP, instead use HTTPS when using J-Web.\n\n [system services web-management https]" } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:55:53.783Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://kb.juniper.net/JSA11254" } ] } ] }, "cveMetadata": { "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2021-31386", "datePublished": "2021-10-19T18:17:31.942Z", "dateReserved": "2021-04-15T00:00:00.000Z", "dateUpdated": "2024-09-17T01:16:54.566Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }