CVE-2023-44194

highpriority · track · 31OT risk · elevatedEPSS 0.002 · 7 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (7th) EPSS

CVSS 7.8 · high

Is it mine?

33 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.18.4highAV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.4highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.4highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · sirt@juniper.net USexploitability 2.5 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-276USprimaryCWE-276US

affected products (33)

Products and version ranges known to be affected.

Juniper EX Series 2300all versionscert_bundDEcpe:/h:juniper:ex:ex2300
Juniper EX Series 3400all versionscert_bundDEcpe:/h:juniper:ex:ex3400
Juniper EX Series 4000all versionscert_bundDEcpe:/h:juniper:ex:4000
Juniper EX Series 4100all versionscert_bundDEcpe:/h:juniper:ex:4100
Juniper EX Series 4400all versionscert_bundDEcpe:/h:juniper:ex:4400
Juniper EX Series 4600all versionscert_bundDEcpe:/h:juniper:ex:ex4600
Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
Juniper JUNOS Evolvedall versionscert_bundDEcpe:/o:juniper:junos:evolved
Juniper JUNOS PTX Seriesall versionscert_bundDEcpe:/o:juniper:junos:ptx_series
Juniper JUNOS PTX10001all versionscert_bundDEcpe:/o:juniper:junos:ptx10001
Juniper JUNOS PTX10003all versionscert_bundDEcpe:/o:juniper:junos:ptx10003
Juniper JUNOS PTX10004all versionscert_bundDEcpe:/o:juniper:junos:ptx10004
Juniper JUNOS PTX10008all versionscert_bundDEcpe:/o:juniper:junos:ptx10008
Juniper JUNOS PTX10016all versionscert_bundDEcpe:/o:juniper:junos:ptx10016
Juniper MX Seriesall versionscert_bundDEcpe:/h:juniper:mx:-
Juniper QFX Series 5000all versionscert_bundDEcpe:/h:juniper:qfx:qfx5000
Juniper SRX Seriesall versionscert_bundDEcpe:/h:juniper:srx_service_gateways:-
Juniper Networks Junos OS0 → 20.4R3-S5enisa_euvdEU
Juniper Networks Junos OS21.1 → 21.1R3-S4enisa_euvdEU
Juniper Networks Junos OS21.2 → 21.2R3-S4enisa_euvdEU

showing 20 of 33

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2636Juniper Patchday Oktober 2023Deutsch2023-10-11csaf · cert_bundDE
Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in verschiedenen Juniper Produkten ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und seine Privilegien zu erweitern.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2023-10-13modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

scry

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