{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-36851", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2023-06-27T16:17:25.277Z", "datePublished": "2023-09-26T19:53:17.080Z", "dateUpdated": "2025-10-21T23:05:36.801Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "platforms": [ "SRX Series" ], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [ { "lessThan": "21.2R3-S8", "status": "affected", "version": "21.2", "versionType": "semver" }, { "lessThan": "21.4R3-S6", "status": "affected", "version": "21.4", "versionType": "semver" }, { "lessThan": "22.1R3-S5", "status": "affected", "version": "22.1", "versionType": "semver" }, { "lessThan": "22.2R3-S3", "status": "affected", "version": "22.2", "versionType": "semver" }, { "lessThan": "22.3R3-S2", "status": "affected", "version": "22.3", "versionType": "semver" }, { "lessThan": "22.4R2-S2, 22.4R3", "status": "affected", "version": "22.4", "versionType": "semver" }, { "lessThan": "23.2R1-S2, 23.2R2", "status": "affected", "version": "23.2", "versionType": "semver" } ] } ], "configurations": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "

The following minimal configuration is necessary:

  [system services web-management http]

or

  [system services web-management https]
" } ], "value": "The following minimal configuration is necessary:\n\n  [system services web-management http]or\n\n  [system services web-management https]" } ], "credits": [ { "lang": "en", "type": "finder", "value": "The Juniper SIRT would like to acknowledge and thank watchtowr for responsibly reporting this vulnerability." } ], "datePublic": "2023-09-05T19:00:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.

\n\nWith a specific request to \n\nwebauth_operation.php\n\nthat doesn't require authentication, an attacker is able to upload and download arbitrary files via J-Web, leading to a loss of \n\nintegrity or confidentiality, which may allow chaining to other vulnerabilities.\n\n

This issue affects Juniper Networks Junos OS on SRX Series:

" } ], "value": "A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.\n\n\n\nWith a specific request to \n\nwebauth_operation.php\n\nthat doesn't require authentication, an attacker is able to upload and download arbitrary files via J-Web, leading to a loss of \n\nintegrity or confidentiality, which may allow chaining to other vulnerabilities.\n\n\nThis issue affects Juniper Networks Junos OS on SRX Series:\n\n\n\n * \n\n21.2 versions prior to 21.2R3-S8;\n * 21.4 \n\nversions prior to \n\n21.4R3-S6;\n * 22.1 \n\nversions prior to \n\n22.1R3-S5;\n * 22.2 \n\nversions prior to \n\n22.2R3-S3;\n * 22.3 \n\nversions prior to \n\n22.3R3-S2;\n * 22.4 versions prior to 22,4R2-S2, 22.4R3;\n * 23.2 versions prior to \n\n23.2R1-S2, 23.2R2." } ], "exploits": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "While Juniper SIRT is not aware of a successful exploit against a customer, a proof of concept has been published and exploit attempts have been detected.\n\n
" } ], "value": "While Juniper SIRT is not aware of a successful exploit against a customer, a proof of concept has been published and exploit attempts have been detected." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2024-01-25T22:36:32.697Z" }, "references": [ { "tags": [ "vendor-advisory", "mitigation" ], "url": "https://supportportal.juniper.net/JSA72300" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue: 21.2R3-S8*, 21.4R3-S6*, 22.1R3-S5*, 22.2R3-S3*, 22.3R3-S2*, 22.4R2-S2, 22.4R3*, 23.2R1-S2, 23.2R2*, 23.4R1, and all subsequent releases.
*Pending Publication
" } ], "value": "The following software releases have been updated to resolve this specific issue: 21.2R3-S8*, 21.4R3-S6*, 22.1R3-S5*, 22.2R3-S3*, 22.3R3-S2*, 22.4R2-S2, 22.4R3*, 23.2R1-S2, 23.2R2*, 23.4R1, and all subsequent releases.\n*Pending Publication" } ], "source": { "advisory": "JSA72300", "defect": [ "1758332" ], "discovery": "EXTERNAL" }, "timeline": [ { "lang": "en", "time": "2023-09-05T19:00:00.000Z", "value": "Initial CVE publication" }, { "lang": "en", "time": "2023-11-08T17:00:00.000Z", "value": "Juniper SIRT is now aware of successful exploitation" } ], "title": "Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Disable J-Web, or limit access to only trusted hosts.
" } ], "value": "Disable J-Web, or limit access to only trusted hosts." } ], "x_generator": { "engine": "Vulnogram 0.1.0-dev" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T17:01:09.845Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "vendor-advisory", "mitigation", "x_transferred" ], "url": "https://supportportal.juniper.net/JSA72300" } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-36851", "role": "CISA Coordinator", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2023-11-15T16:40:42.428099Z" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2023-11-13", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36851" } } } ], "references": [ { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36851", "tags": [ "government-resource" ] } ], "timeline": [ { "time": "2023-11-13T00:00:00.000Z", "lang": "en", "value": "CVE-2023-36851 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:05:36.801Z" } } ] } }