CVE-2023-44194

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

Description

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.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S5, 21.1R3-S4, 21.2R3-S4, 21.3R3-S3, 21.4R3-S1, 22.1R1, and all subsequent releases.

Workaround:

  • There are no known workarounds for this issue.

Category

8.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA73158 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-44194?
CVE-2023-44194 has been scored as a high severity vulnerability.
How to fix CVE-2023-44194?
To fix CVE-2023-44194: The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S5, 21.1R3-S4, 21.2R3-S4, 21.3R3-S3, 21.4R3-S1, 22.1R1, and all subsequent releases.
Is CVE-2023-44194 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-44194 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-44194?
CVE-2023-44194 affects Juniper Networks Junos OS.
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