A local privilege escalation vulnerability in telnetd.real of Juniper Networks Junos OS may allow a locally authenticated shell user to escalate privileges and execute arbitrary commands as root. telnetd.real is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run telnetd.real with root privileges. This issue affects Juniper Networks Junos OS: all versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R2-S4, 18.3R3-S4; 18.4 versions prior to 18.4R2-S7, 18.4R3-S6; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R2.
                
            References
                    | Link | Resource | 
|---|---|
| https://kb.juniper.net/JSA11114 | Vendor Advisory | 
Configurations
                    Configuration 1 (hide)
| 
 | 
Information
                Published : 2021-01-15 10:15
Updated : 2022-09-20 10:15
NVD link : CVE-2021-0223
Mitre link : CVE-2021-0223
JSON object : View
CWE
                
                    
                        
                        CWE-269
                        
            Improper Privilege Management
Products Affected
                juniper
- junos


