CVE-2025-52988: Junos OS and Junos OS Evolved: Privilege escalation to root via CLI command 'request system logout'
An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a high privileged, local attacker to escalated their privileges to root.
When a user provides specifically crafted arguments to the 'request system logout' command, these will be executed as root on the shell, which can completely compromise the device. This issue affects:
Junos OS:
all versions before 21.2R3-S9, 21.4 versions before 21.4R3-S8, 22.2 versions before 22.2R3-S6, 22.3 versions before 22.3R3-S3, 22.4 versions before 22.4R3-S6, 23.2 versions before 23.2R2-S1, 23.4 versions before 23.4R1-S2, 23.4R2;
Junos OS Evolved:
all versions before 22.4R3-S6-EVO, 23.2-EVO versions before 23.2R2-S1-EVO, 23.4-EVO versions before 23.4R1-S2-EVO, 23.4R2-EVO.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-52988?
CVE-2025-52988 is considered a high severity vulnerability due to its ability to allow local attackers to escalate their privileges to root.
How do I fix CVE-2025-52988?
To fix CVE-2025-52988, upgrade to the latest patched version of Junos OS or Junos OS Evolved as specified in the vendor's advisory.
Who is affected by CVE-2025-52988?
CVE-2025-52988 affects specific versions of Juniper Networks Junos OS and Junos OS Evolved prior to the recommended updates.
What type of vulnerability is CVE-2025-52988?
CVE-2025-52988 is an OS Command Injection vulnerability that involves improper neutralization of special elements in command line input.
Can remote attackers exploit CVE-2025-52988?
No, CVE-2025-52988 requires a high privileged, local attacker to exploit the vulnerability.