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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2023-44194- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-276
- Updated
- 2026-11-02
EUVDEUVD-2023-48553
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.
- Record
EUVD-2023-48553- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-97hh-rrpx-8434
An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS allows an...
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.
- Record
GHSA-97hh-rrpx-8434- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-276
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-44194- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-276
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-44194 is a high vulnerability (CVSS 8.4) in Juniper Junos, published October 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.