{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-21620","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","state":"PUBLISHED","assignerShortName":"juniper","dateReserved":"2023-12-27T19:38:25.710Z","datePublished":"2024-01-25T22:50:18.164Z","dateUpdated":"2025-05-29T15:18:51.087Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["SRX Series","EX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"20.4R3-S10","status":"affected","version":"0","versionType":"semver"},{"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":"22.4R3-S1","status":"affected","version":"22.4","versionType":"semver"},{"lessThan":"23.2R2","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2","status":"affected","version":"23.4","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"The Juniper SIRT would like to acknowledge and thank watchtowr for responsibly reporting this vulnerability."}],"datePublic":"2024-01-25T17:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series allows an attacker to construct a URL that when visited by another user enables the attacker to execute commands with the target's permissions, including an administrator.

A specific invocation of the emit_debug_note method in webauth_operation.php will echo back the data it receives.

This issue affects Juniper Networks Junos OS on SRX Series and EX Series:
"}],"value":"An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series allows an attacker to construct a URL that when visited by another user enables the attacker to execute commands with the target's permissions, including an administrator.\n\nA specific invocation of the emit_debug_note method in webauth_operation.php will echo back the data it receives.\n\nThis issue affects Juniper Networks Junos OS on SRX Series and EX Series:\n * All versions earlier than 20.4R3-S10;\n * 21.2 versions earlier than 21.2R3-S8;\n * 21.4 versions earlier than 21.4R3-S6;\n * 22.1 versions earlier than 22.1R3-S5;\n * 22.2 versions earlier than 22.2R3-S3;\n * 22.3 versions earlier than 22.3R3-S2;\n * 22.4 versions earlier than 22.4R3-S1;\n * 23.2 versions earlier than 23.2R2;\n * 23.4 versions earlier than 23.4R2.\n\n\n"}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

"}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"}],"metrics":[{"cvssV3_1":{"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2024-01-25T22:51:36.390Z"},"references":[{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA76390"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

The following software releases have been updated to resolve this specific issue: 20.4R3-S10*, 21.2R3-S8*, 21.4R3-S6*, 22.1R3-S5*, 22.2R3-S3*, 22.3R3-S2*, 22.4R3-S1*, 23.2R2*, 23.4R2*, 24.2R1*, and all subsequent releases.

* Pending Publication

"}],"value":"The following software releases have been updated to resolve this specific issue: 20.4R3-S10*, 21.2R3-S8*, 21.4R3-S6*, 22.1R3-S5*, 22.2R3-S3*, 22.3R3-S2*, 22.4R3-S1*, 23.2R2*, 23.4R2*, 24.2R1*, and all subsequent releases.\n\n* Pending Publication\n\n"}],"source":{"defect":["1779376"],"discovery":"EXTERNAL"},"timeline":[{"lang":"en","time":"2024-01-25T17:00:00.000Z","value":"Initial Publication"}],"title":"Junos OS: SRX Series and EX Series: J-Web doesn't sufficiently sanitize input to prevent XSS","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

Disable J-Web, or limit access to only trusted hosts and users.

"}],"value":"Disable J-Web, or limit access to only trusted hosts and users.\n\n"}],"x_generator":{"engine":"Vulnogram 0.1.0-av217"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-01T22:27:35.367Z"},"title":"CVE Program Container","references":[{"tags":["vendor-advisory","x_transferred"],"url":"https://supportportal.juniper.net/JSA76390"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-08T15:46:41.881429Z","id":"CVE-2024-21620","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-29T15:18:51.087Z"}}]}}