7.8

CVE-2023-44194

Junos OS: An unauthenticated attacker with local access to the device can create a backdoor with root privileges

An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS allows an unauthenticated attacker with local access to the device to create a backdoor with root privileges. The issue is caused by improper directory permissions on a certain system directory, allowing an attacker with access to this directory to create a backdoor with root privileges.

This issue affects Juniper Networks Junos OS:



  *  All versions prior to 20.4R3-S5;
  *  21.1 versions prior to 21.1R3-S4;
  *  21.2 versions prior to 21.2R3-S4;
  *  21.3 versions prior to 21.3R3-S3;
  *  21.4 versions prior to 21.4R3-S1.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Juniper ≫ Junos Version < 20.4
Juniper ≫ Junos Version 20.4 Update -
Juniper ≫ Junos Version 20.4 Update r1
Juniper ≫ Junos Version 20.4 Update r1-s1
Juniper ≫ Junos Version 20.4 Update r2
Juniper ≫ Junos Version 20.4 Update r2-s1
Juniper ≫ Junos Version 20.4 Update r2-s2
Juniper ≫ Junos Version 20.4 Update r3
Juniper ≫ Junos Version 20.4 Update r3-s1
Juniper ≫ Junos Version 20.4 Update r3-s2
Juniper ≫ Junos Version 20.4 Update r3-s3
Juniper ≫ Junos Version 20.4 Update r3-s4
Juniper ≫ Junos Version 21.1 Update -
Juniper ≫ Junos Version 21.1 Update r1
Juniper ≫ Junos Version 21.1 Update r1-s1
Juniper ≫ Junos Version 21.1 Update r2
Juniper ≫ Junos Version 21.1 Update r2-s1
Juniper ≫ Junos Version 21.1 Update r2-s2
Juniper ≫ Junos Version 21.1 Update r3
Juniper ≫ Junos Version 21.1 Update r3-s1
Juniper ≫ Junos Version 21.1 Update r3-s2
Juniper ≫ Junos Version 21.1 Update r3-s3
Juniper ≫ Junos Version 21.2 Update -
Juniper ≫ Junos Version 21.2 Update r1
Juniper ≫ Junos Version 21.2 Update r1-s1
Juniper ≫ Junos Version 21.2 Update r1-s2
Juniper ≫ Junos Version 21.2 Update r2
Juniper ≫ Junos Version 21.2 Update r2-s1
Juniper ≫ Junos Version 21.2 Update r2-s2
Juniper ≫ Junos Version 21.2 Update r3
Juniper ≫ Junos Version 21.2 Update r3-s1
Juniper ≫ Junos Version 21.2 Update r3-s2
Juniper ≫ Junos Version 21.2 Update r3-s3
Juniper ≫ Junos Version 21.3 Update -
Juniper ≫ Junos Version 21.3 Update r1
Juniper ≫ Junos Version 21.3 Update r1-s1
Juniper ≫ Junos Version 21.3 Update r1-s2
Juniper ≫ Junos Version 21.3 Update r2
Juniper ≫ Junos Version 21.3 Update r2-s1
Juniper ≫ Junos Version 21.3 Update r2-s2
Juniper ≫ Junos Version 21.3 Update r3
Juniper ≫ Junos Version 21.3 Update r3-s1
Juniper ≫ Junos Version 21.4 Update -
Juniper ≫ Junos Version 21.4 Update r1
Juniper ≫ Junos Version 21.4 Update r1-s1
Juniper ≫ Junos Version 21.4 Update r1-s2
Juniper ≫ Junos Version 21.4 Update r2
Juniper ≫ Junos Version 21.4 Update r2-s1
Juniper ≫ Junos Version 21.4 Update r2-s2
Juniper ≫ Junos Version 21.4 Update r3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.063
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 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
Juniper 8.4 2.5 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-276 Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

https://supportportal.juniper.net/JSA73158
Vendor Advisory