8.5

CVE-2026-33793

Junos OS and Junos OS Evolved: When an unsigned Python op script configuration is present, a local low privileged user can compromise the system

An Execution with Unnecessary Privileges vulnerability in the User Interface (UI) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system.

When a configuration that allows unsigned Python op scripts is present on the device, a non-root user is able to execute malicious op scripts as a root-equivalent user, leading to privilege escalation. 

This issue affects Junos OS: 

  *  All versions before 22.4R3-S7, 
  *  from 23.2 before 23.2R2-S4, 
  *  from 23.4 before 23.4R2-S6,
  *  from 24.2 before 24.2R1-S2, 24.2R2, 
  *  from 24.4 before 24.4R1-S2, 24.4R2; 




Junos OS Evolved: 



  *  All versions before 22.4R3-S7-EVO, 
  *  from 23.2 before 23.2R2-S4-EVO, 
  *  from 23.4 before 23.4R2-S6-EVO,
  *  from 24.2 before 24.2R2-EVO, 
  *  from 24.4 before 24.4R1-S1-EVO, 24.4R2-EVO.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Juniper ≫ Junos Version < 22.4
Juniper ≫ Junos Version 22.4 Update -
Juniper ≫ Junos Version 22.4 Update r1
Juniper ≫ Junos Version 22.4 Update r1-s1
Juniper ≫ Junos Version 22.4 Update r1-s2
Juniper ≫ Junos Version 22.4 Update r2
Juniper ≫ Junos Version 22.4 Update r2-s1
Juniper ≫ Junos Version 22.4 Update r2-s2
Juniper ≫ Junos Version 22.4 Update r3
Juniper ≫ Junos Version 22.4 Update r3-s1
Juniper ≫ Junos Version 22.4 Update r3-s2
Juniper ≫ Junos Version 22.4 Update r3-s3
Juniper ≫ Junos Version 22.4 Update r3-s4
Juniper ≫ Junos Version 22.4 Update r3-s5
Juniper ≫ Junos Version 22.4 Update r3-s6
Juniper ≫ Junos Version 23.2 Update -
Juniper ≫ Junos Version 23.2 Update r1
Juniper ≫ Junos Version 23.2 Update r1-s1
Juniper ≫ Junos Version 23.2 Update r1-s2
Juniper ≫ Junos Version 23.2 Update r2
Juniper ≫ Junos Version 23.2 Update r2-s1
Juniper ≫ Junos Version 23.2 Update r2-s2
Juniper ≫ Junos Version 23.2 Update r2-s3
Juniper ≫ Junos Version 23.4 Update -
Juniper ≫ Junos Version 23.4 Update r1
Juniper ≫ Junos Version 23.4 Update r1-s1
Juniper ≫ Junos Version 23.4 Update r1-s2
Juniper ≫ Junos Version 23.4 Update r2
Juniper ≫ Junos Version 23.4 Update r2-s1
Juniper ≫ Junos Version 23.4 Update r2-s2
Juniper ≫ Junos Version 23.4 Update r2-s3
Juniper ≫ Junos Version 23.4 Update r2-s4
Juniper ≫ Junos Version 23.4 Update r2-s5
Juniper ≫ Junos Version 24.2 Update -
Juniper ≫ Junos Version 24.2 Update r1
Juniper ≫ Junos Version 24.2 Update r1-s1
Juniper ≫ Junos Version 24.2 Update r2
Juniper ≫ Junos Version 24.4 Update -
Juniper ≫ Junos Version 24.4 Update r1
Juniper ≫ Junos Version 24.4 Update r2
Juniper ≫ Junos Os Evolved Version < 22.4
Juniper ≫ Junos Os Evolved Version 22.4 Update -
Juniper ≫ Junos Os Evolved Version 22.4 Update r1
Juniper ≫ Junos Os Evolved Version 22.4 Update r1-s1
Juniper ≫ Junos Os Evolved Version 22.4 Update r1-s2
Juniper ≫ Junos Os Evolved Version 22.4 Update r2
Juniper ≫ Junos Os Evolved Version 22.4 Update r2-s1
Juniper ≫ Junos Os Evolved Version 22.4 Update r2-s2
Juniper ≫ Junos Os Evolved Version 22.4 Update r3
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s1
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s2
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s3
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s4
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s5
Juniper ≫ Junos Os Evolved Version 22.4 Update r3-s6
Juniper ≫ Junos Os Evolved Version 23.2 Update -
Juniper ≫ Junos Os Evolved Version 23.2 Update r1
Juniper ≫ Junos Os Evolved Version 23.2 Update r1-s1
Juniper ≫ Junos Os Evolved Version 23.2 Update r1-s2
Juniper ≫ Junos Os Evolved Version 23.2 Update r2
Juniper ≫ Junos Os Evolved Version 23.2 Update r2-s1
Juniper ≫ Junos Os Evolved Version 23.2 Update r2-s2
Juniper ≫ Junos Os Evolved Version 23.2 Update r2-s3
Juniper ≫ Junos Os Evolved Version 23.4 Update -
Juniper ≫ Junos Os Evolved Version 23.4 Update r1
Juniper ≫ Junos Os Evolved Version 23.4 Update r1-s1
Juniper ≫ Junos Os Evolved Version 23.4 Update r1-s2
Juniper ≫ Junos Os Evolved Version 23.4 Update r2
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s1
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s2
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s3
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s4
Juniper ≫ Junos Os Evolved Version 23.4 Update r2-s5
Juniper ≫ Junos Os Evolved Version 24.2 Update -
Juniper ≫ Junos Os Evolved Version 24.2 Update r1
Juniper ≫ Junos Os Evolved Version 24.2 Update r1-s2
Juniper ≫ Junos Os Evolved Version 24.4 Update -
Juniper ≫ Junos Os Evolved Version 24.4 Update r1
Juniper ≫ Junos Os Evolved Version 24.4 Update r2
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.054
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Juniper 8.5 0 0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Amber
Juniper 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-250 Execution with Unnecessary Privileges

The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

https://supportportal.juniper.net/JSA103142
Vendor Advisory
Mitigation