Riskcovery

CVE-2024-21620

Junos OS: SRX Series and EX Series: J-Web doesn't sufficiently sanitize input to prevent XSS

State
Published
Severity
8.8 High
Published
Jan 25, 2024
Updated
May 29, 2025
Reserved
Dec 27, 2023

Read the record on cve.org

Description

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: * 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.

Scores

CVSSScoreVectorSource
3.18.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hjuniper

Weaknesses

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 20.4R3-S10Affected
  • 21.2 to before 21.2R3-S8Affected
  • 21.4 to before 21.4R3-S6Affected
  • 22.1 to before 22.1R3-S5Affected
  • 22.2 to before 22.2R3-S3Affected
  • 22.3 to before 22.3R3-S2Affected
  • 22.4 to before 22.4R3-S1Affected
  • 23.2 to before 23.2R2Affected
  • 23.4 to before 23.4R2Affected

References

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