Vulnerability in Juniper Junos OS Evolved

CVE-2023-28966

An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS Evolved allows a low-privileged local attacker with shell access to modify existing files or execute commands as root. The issue is caused by improper file and directory permissions on certain system files, allowing an attacker with access to these files and folders to inject CLI commands as root. This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S5-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO.

EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-28966?
CVE-2023-28966 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2023-04-17.
How severe is CVE-2023-28966?
High severity. CVSS v3 base score is 7.8 out of 10.