{"id":"CVE-2022-22156","state":"PUBLISHED","title":"Junos OS: Certificate validation is skipped when fetching system scripts from a HTTPS URL","description":"An Improper Certificate Validation weakness in the Juniper Networks Junos OS allows an attacker to perform Person-in-the-Middle (PitM) attacks when a system script is fetched from a remote source at a specified HTTPS URL, which may compromise the integrity and confidentiality of the device. The following command can be executed by an administrator via the CLI to refresh a script from a remote location, which is affected from this vulnerability: >request system scripts refresh-from (commit | event | extension-service | op | snmp) file filename url <https-url> This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2-S1, 20.3R3; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R1-S1, 21.1R2.","publishedAt":"2022-01-19T00:20:58.950Z","updatedAt":"2024-09-17T02:42:11.955Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"unspecified","status":"affected","lessThan":"18.4R2-S9, 18.4R3-S9","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R2-S3, 19.1R3-S7","versionType":"custom"},{"version":"19.2","status":"affected","lessThan":"19.2R1-S7, 19.2R3-S3","versionType":"custom"},{"version":"19.3","status":"affected","lessThan":"19.3R3-S4","versionType":"custom"},{"version":"19.4","status":"affected","lessThan":"19.4R3-S7","versionType":"custom"},{"version":"20.1","status":"affected","lessThan":"20.1R2-S2, 20.1R3","versionType":"custom"},{"version":"20.2","status":"affected","lessThan":"20.2R3","versionType":"custom"},{"version":"20.3","status":"affected","lessThan":"20.3R2-S1, 20.3R3","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R2","versionType":"custom"},{"version":"21.1","status":"affected","lessThan":"21.1R1-S1, 21.1R2","versionType":"custom"}]}],"references":["https://kb.juniper.net/JSA11264"],"weaknesses":["CWE-358","CWE-295","CWE-300"],"ingestedAt":"2026-10-29T19:49:38.433Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/22xxx/CVE-2022-22156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-22156","state":"PUBLISHED","datePublished":"2022-01-19T00:20:58.950Z","dateUpdated":"2024-09-17T02:42:11.955Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2021-12-21T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: Certificate validation is skipped when fetching system scripts from a HTTPS URL","descriptions":[{"lang":"en","value":"An Improper Certificate Validation weakness in the Juniper Networks Junos OS allows an attacker to perform Person-in-the-Middle (PitM) attacks when a system script is fetched from a remote source at a specified HTTPS URL, which may compromise the integrity and confidentiality of the device. The following command can be executed by an administrator via the CLI to refresh a script from a remote location, which is affected from this vulnerability: >request system scripts refresh-from (commit | event | extension-service | op | snmp) file filename url <https-url> This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2-S1, 20.3R3; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R1-S1, 21.1R2."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"unspecified","status":"affected","lessThan":"18.4R2-S9, 18.4R3-S9","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R2-S3, 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21.1R2","versionType":"custom"}]}],"references":[{"url":"https://kb.juniper.net/JSA11264","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-358","description":"CWE-358 Improperly Implemented Security Check for Standard","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-295","description":"CWE-295 Improper Certificate Validation","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":{"shortName":"juniper","dateUpdated":"2022-01-19T00:20:58.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968"},"configurations":[{"lang":"en","value":"The examples of the config stanza affected by this issue:\n\n  [event-options event-script file <file-name> source <https-url> refresh]\n  [system scripts  (commit | event | extension-service | op | snmp) file filename refresh-from <https-url>]\n\nPlease note that issuing set refresh-from command does not add the refresh-from statement to the configuration but the command behaves like an operational mode command by executing an operation."}],"datePublic":"2022-01-12T00:00:00.000Z","exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 18.4R2-S9, 18.4R3-S9, 19.1R2-S3, 19.1R3-S7, 19.2R1-S7, 19.2R3-S3, 19.3R3-S4, 19.4R3-S7, 20.1R2-S2, 20.1R3, 20.2R3, 20.3R2-S1, 20.3R3, 20.4R2, 21.1R1-S1, 21.1R2, 21.2R1 and all subsequent releases."}],"source":{"advisory":"JSA11264","defect":["1542229"],"discovery":"USER"},"workarounds":[{"lang":"en","value":"There are no viable workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2022-01-12T17:00:00.000Z","ID":"CVE-2022-22156","STATE":"PUBLIC","TITLE":"Junos OS: Certificate validation is skipped when fetching system scripts from a HTTPS URL"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"version_affected":"<","version_value":"18.4R2-S9, 18.4R3-S9"},{"version_affected":"<","version_name":"19.1","version_value":"19.1R2-S3, 19.1R3-S7"},{"version_affected":"<","version_name":"19.2","version_value":"19.2R1-S7, 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The following command can be executed by an administrator via the CLI to refresh a script from a remote location, which is affected from this vulnerability: >request system scripts refresh-from (commit | event | extension-service | op | snmp) file filename url <https-url> This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2-S1, 20.3R3; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R1-S1, 21.1R2."}]},"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":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-358 Improperly Implemented Security Check for Standard"}]},{"description":[{"lang":"eng","value":"CWE-295 Improper Certificate Validation"}]},{"description":[{"lang":"eng","value":"CWE-300 Channel Accessible by Non-Endpoint ('Man-in-the-Middle')"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA11264","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA11264"}]},"solution":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 18.4R2-S9, 18.4R3-S9, 19.1R2-S3, 19.1R3-S7, 19.2R1-S7, 19.2R3-S3, 19.3R3-S4, 19.4R3-S7, 20.1R2-S2, 20.1R3, 20.2R3, 20.3R2-S1, 20.3R3, 20.4R2, 21.1R1-S1, 21.1R2, 21.2R1 and all subsequent releases."}],"source":{"advisory":"JSA11264","defect":["1542229"],"discovery":"USER"},"work_around":[{"lang":"en","value":"There are no viable workarounds for this issue."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA11264","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T03:07:49.756Z"}}]}}}