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HIGH · 8.8

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 allows an attacker to construct ...

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
JuniperJunos< 20.4
JuniperEx Redundant Power System-
JuniperEx Rps-
JuniperEx2200-
JuniperEx2200-C-
JuniperEx2200-Vc-
JuniperEx2300-
JuniperEx2300-24Mp-
JuniperEx2300-24P-
JuniperEx2300-24T-
JuniperEx2300-48Mp-
JuniperEx2300-48P-
JuniperEx2300-48T-
JuniperEx2300-C-
JuniperEx2300 Multigigabit-
JuniperEx2300M-
JuniperEx3200-
JuniperEx3300-
JuniperEx3300-Vc-
JuniperEx3400-

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2024-21620?

CVE-2024-21620 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ...

How severe is CVE-2024-21620?

CVE-2024-21620 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-21620?

Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos, Juniper Ex Redundant Power System, Juniper Ex Rps, Juniper Ex2200, Juniper Ex2200-C.