QID 44168

Date Published: 2024-02-01

QID 44168: Juniper Network Operating System (Junos OS) Cross-Site Scripting (XSS) Vulnerability (JSA76390)

CVE-2024-21620: 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.

These issues affect Juniper Networks Junos OS on EX and SRX Series
Affected Juniper Networks Junos OS versions:
All versions earlier than 20.4R3-S10
21.2 versions earlier than 21.2R3-S8
21.4 versions earlier than 21.4R3-S6
22.1 versions earlier than 22.1R3-S5
22.2 versions earlier than 22.2R3-S3
22.3 versions earlier than 22.3R3-S2
22.4 versions earlier than 22.4R3-S1
23.2 versions earlier than 23.2R2
23.4 versions earlier than 23.4R2

QID detection logic: (Authenticated)
This QID checks for vulnerable Junos OS version.

QID detection logic: (Unauthenticated)
This QID checks SNMP banner for vulnerable version of JunOS.

Successful exploitation may 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.

  • CVSS V3 rated as High - 6.1 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Vendor has released patch addressing the vulnerabilities, for more information please refer JSA76390

    Workaround:
    Disable J-Web, or limit access to only trusted hosts.

    Vendor References

    CVEs related to QID 44168

    CVE-2024-21620 |
    Software Advisories
    Advisory ID Software Component Link
    JSA76390 URL Logo supportportal.juniper.net/JSA76390
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].
    © CVE.report 2026 |

    Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

    CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

    Free CVE JSON API cve.report/api

    CVE.report and Source URL Uptime Status status.cve.report