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CVE-2026-33785— Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands in a JDM/CSDS scenario

Quick assessment

Affected
Juniper Networks Junos OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper Networks Junos OS MX是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS MX 24.4R2-S3之前版本和25.2R2之前版本存在安全漏洞，该漏洞源于缺少授权，可能导致低权限用户完全控制托管设备。

CVSS 8.8 · High EPSS 0.14% · P3
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I. Basic Information for CVE-2026-33785

Vulnerability Information
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Vulnerability Title
Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands in a JDM/CSDS scenario
Source: CVE Program / CVE List V5
Vulnerability Description
A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on MX Series allows a local, authenticated user with low privileges to execute specific commands which will lead to a complete compromise of managed devices. Any user logged in, without requiring specific privileges, can issue 'request csds' CLI operational commands. These commands are only meant to be executed by high privileged or users designated for Juniper Device Manager (JDM) / Connected Security Distributed Services (CSDS) operations as they will impact all aspects of the devices managed via the respective MX. This issue affects Junos OS on MX Series: * 24.4 releases before 24.4R2-S3,  * 25.2 releases before 25.2R2. This issue does not affect Junos OS releases before 24.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS MX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS MX是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS MX 24.4R2-S3之前版本和25.2R2之前版本存在安全漏洞，该漏洞源于缺少授权，可能导致低权限用户完全控制托管设备。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Junos OS 24.4 ~ 24.4R2-S3 -

II. Public POCs for CVE-2026-33785

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III. Intelligence Information for CVE-2026-33785

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Vendor Advisories for CVE-2026-33785 (1)

Same Patch Batch · Juniper Networks · 2026-04-09 · 26 CVEs total

CVE-2026-33784 9.8 CRITICAL JSI Virtual Lightweight Collector: Default password is not required to be changed which al
CVE-2025-13914 8.7 HIGH Apstra: SSH host key validation vulnerability for managed devices
CVE-2026-33793 7.8 HIGH Junos OS and Junos OS Evolved: When an unsigned Python op script configuration is present,
CVE-2026-33788 7.8 HIGH Junos OS Evolved: Local, authenticated attacker can gain privileged access to FPCs
CVE-2026-33790 7.5 HIGH Junos OS: SRX Series: In a NAT64 configuration, receipt of a specific, malformed ICMPv6 pa
CVE-2026-33778 7.5 HIGH Junos OS: SRX Series, MX Series: When a specifically malformed first ISAKMP packet is rece
CVE-2026-33771 7.4 HIGH CTP OS: Configuring password requirements does not work which permits the use of weak pass
CVE-2026-33797 7.4 HIGH Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a
CVE-2026-21916 7.3 HIGH Junos OS: A low privileged user can escalate their privileges so that they can login as ro
CVE-2026-33791 6.7 MEDIUM Junos OS and Junos OS Evolved: Execution of crafted CLI commands allows for arbitrary shel
CVE-2026-21915 6.7 MEDIUM JSI Virtual Lightweight Collector: Shell escape allows privilege escalation to root
CVE-2026-33780 6.5 MEDIUM Junos OS and Junos OS Evolved: In an EVPN-MPLS scenario churn of ESI routes causes a memor
CVE-2025-59969 6.5 MEDIUM Junos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast pac
CVE-2026-21919 6.5 MEDIUM Junos OS and Junos OS Evolved: A high frequency of connecting and disconnecting NETCONF se
CVE-2026-33781 6.5 MEDIUM Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packet
CVE-2026-33782 6.5 MEDIUM Junos OS: MX Series: In specific DHCPv6 scenarios jdhcpd memory increases continuously wit
CVE-2026-33775 6.5 MEDIUM Junos OS: MX Series: Mismatch between configured and received packet types causes memory l
CVE-2026-33779 6.5 MEDIUM Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communi
CVE-2026-33783 6.5 MEDIUM Junos OS Evolved: PTX Series: If SRTE tunnels provisioned via PCEP are present and specifi
CVE-2026-33774 6.5 MEDIUM Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance are n

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-862

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