Juniper Junos OS up to 24.2R1 on SRX Web Device Manager authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Juniper Junos OS up to 24.2R1 on SRX. It has been classified as critical. This affects an unknown part of the component Web Device Manager. This manipulation causes authorization. This vulnerability appears as CVE-2025-6549. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Juniper Junos OS up to 24.2R1 on SRX. Affected by this vulnerability is an unknown code block of the component Web Device Manager. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An Incorrect Authorization vulnerability in the web server of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to reach the Juniper Web Device Manager (J-Web). When Juniper Secure connect (JSC) is enabled on specific interfaces, or multiple interfaces are configured for J-Web, the J-Web UI is reachable over more than the intended interfaces. This issue affects Junos OS: * all versions before 21.4R3-S9, * 22.2 versions before 22.2R3-S5, * 22.4 versions before 22.4R3-S5, * 23.2 versions before 23.2R2-S3, * 23.4 versions before 23.4R2-S5, * 24.2 versions before 24.2R2.

The advisory is shared at supportportal.juniper.net. This vulnerability is known as CVE-2025-6549 since 06/23/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/24/2026).

The vulnerability scanner Nessus provides a plugin with the ID 269213 (Juniper Junos OS Vulnerability (JSA100098)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 21.4R3-S9, 22.2R3-S5, 22.4R3-S5, 23.2R2-S3, 23.4R2-S5 or 24.2R2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (269213) and CERT Bund (WID-SEC-2025-1519). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Juniper MX Series
  • Juniper JUNOS
  • Juniper SRX Series
  • Juniper Security Director
  • Juniper Junos Space

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (juniper): 🔒

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 269213
Nessus Name: Juniper Junos OS Vulnerability (JSA100098)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Junos OS 21.4R3-S9/22.2R3-S5/22.4R3-S5/23.2R2-S3/23.4R2-S5/24.2R2

Timelineinfo

06/23/2025 CVE reserved
07/11/2025 +18 days Advisory disclosed
07/11/2025 +0 days VulDB entry created
01/24/2026 +197 days VulDB entry last update

Sourcesinfo

Vendor: juniper.net

Advisory: JSA100098
Status: Confirmed

CVE: CVE-2025-6549 (🔒)
GCVE (CVE): GCVE-0-2025-6549
GCVE (VulDB): GCVE-100-316153
CERT Bund: WID-SEC-2025-1519 - Juniper JUNOS: Mehrere Schwachstellen ermöglichen Privilegieneskalation

Entryinfo

Created: 07/11/2025 20:20
Updated: 01/24/2026 10:32
Changes: 07/11/2025 20:20 (81), 10/08/2025 06:18 (2), 10/12/2025 04:18 (7), 01/24/2026 10:32 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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