Juniper Junos OS prior 23.4R2 on SRX/EX URL webauth_operation.php emit_debug_note cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Juniper Junos OS on SRX/EX. This issue affects the function emit_debug_note of the file webauth_operation.php of the component URL Handler. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2024-21620. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Juniper Junos OS on SRX/EX (Router Operating System). It has been rated as problematic. Affected by this issue is the function emit_debug_note of the file webauth_operation.php of the component URL Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

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.

The weakness was published 01/26/2024 as JSA76390. The advisory is shared for download at supportportal.juniper.net. This vulnerability is handled as CVE-2024-21620 since 12/27/2023. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:webauth_operation.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 215002 (Juniper Junos OS Authentication for Critical Function (CVE-2024-21620)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 20.4R3-S10, 21.2R3-S8, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3-S1, 23.2R2 or 23.4R2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (215002). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 215002
Nessus Name: Juniper Junos OS Authentication for Critical Function (CVE-2024-21620)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos OS 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

Timelineinfo

12/27/2023 🔍
01/26/2024 +30 days 🔍
01/26/2024 +0 days 🔍
02/05/2025 +376 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA76390
Status: Confirmed

CVE: CVE-2024-21620 (🔍)
GCVE (CVE): GCVE-0-2024-21620
GCVE (VulDB): GCVE-100-252080

Entryinfo

Created: 01/26/2024 07:03
Updated: 02/05/2025 21:22
Changes: 01/26/2024 07:03 (54), 02/18/2024 19:25 (11), 02/05/2025 21:22 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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