CVE-2021-0223: Junos OS: telnetd.real Local Privilege Escalation vulnerabilities in SUID binaries
First published: Fri Jan 15 2021(Updated: )
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.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper JUNOS | =15.1 | |
| Juniper JUNOS | =15.1-a1 | |
| Juniper JUNOS | =15.1-f | |
| Juniper JUNOS | =15.1-f1 | |
| Juniper JUNOS | =15.1-f2 | |
| Juniper JUNOS | =15.1-f2-s1 | |
| Juniper JUNOS | =15.1-f2-s2 | |
| Juniper JUNOS | =15.1-f2-s3 | |
| Juniper JUNOS | =15.1-f2-s4 | |
| Juniper JUNOS | =15.1-f3 | |
| Juniper JUNOS | =15.1-f4 | |
| Juniper JUNOS | =15.1-f5 | |
| Juniper JUNOS | =15.1-f5-s7 | |
| Juniper JUNOS | =15.1-f6 | |
| Juniper JUNOS | =15.1-f6-s1 | |
| Juniper JUNOS | =15.1-f6-s12 | |
| Juniper JUNOS | =15.1-f6-s2 | |
| Juniper JUNOS | =15.1-f6-s3 | |
| Juniper JUNOS | =15.1-f6-s4 | |
| Juniper JUNOS | =15.1-f6-s7 | |
| Juniper JUNOS | =15.1-f7 | |
| Juniper JUNOS | =15.1-r1 | |
| Juniper JUNOS | =15.1-r2 | |
| Juniper JUNOS | =15.1-r3 | |
| Juniper JUNOS | =15.1-r4 | |
| Juniper JUNOS | =15.1-r4-s7 | |
| Juniper JUNOS | =15.1-r4-s8 | |
| Juniper JUNOS | =15.1-r4-s9 | |
| Juniper JUNOS | =15.1-r5 | |
| Juniper JUNOS | =15.1-r5-s1 | |
| Juniper JUNOS | =15.1-r5-s5 | |
| Juniper JUNOS | =15.1-r5-s6 | |
| Juniper JUNOS | =15.1-r6 | |
| Juniper JUNOS | =15.1-r6-s1 | |
| Juniper JUNOS | =15.1-r6-s2 | |
| Juniper JUNOS | =15.1-r6-s6 | |
| Juniper JUNOS | =15.1-r7 | |
| Juniper JUNOS | =15.1-r7-s1 | |
| Juniper JUNOS | =15.1-r7-s2 | |
| Juniper JUNOS | =15.1-r7-s3 | |
| Juniper JUNOS | =15.1-r7-s4 | |
| Juniper JUNOS | =15.1-r7-s5 | |
| Juniper JUNOS | =15.1-r7-s6 | |
| Juniper JUNOS | =15.1-r7-s7 | |
| Juniper JUNOS | =15.1-r7-s8 | |
| Juniper JUNOS | =17.3 | |
| Juniper JUNOS | =17.3-r1-s1 | |
| Juniper JUNOS | =17.3-r2 | |
| Juniper JUNOS | =17.3-r2-s1 | |
| Juniper JUNOS | =17.3-r2-s2 | |
| Juniper JUNOS | =17.3-r2-s3 | |
| Juniper JUNOS | =17.3-r2-s4 | |
| Juniper JUNOS | =17.3-r2-s5 | |
| Juniper JUNOS | =17.3-r3 | |
| Juniper JUNOS | =17.3-r3-s1 | |
| Juniper JUNOS | =17.3-r3-s10 | |
| Juniper JUNOS | =17.3-r3-s2 | |
| Juniper JUNOS | =17.3-r3-s3 | |
| Juniper JUNOS | =17.3-r3-s4 | |
| Juniper JUNOS | =17.3-r3-s5 | |
| Juniper JUNOS | =17.3-r3-s6 | |
| Juniper JUNOS | =17.3-r3-s7 | |
| Juniper JUNOS | =17.3-r3-s8 | |
| Juniper JUNOS | =17.3-r3-s9 | |
| Juniper JUNOS | =17.4 | |
| Juniper JUNOS | =17.4-r1 | |
| Juniper JUNOS | =17.4-r1-s1 | |
| Juniper JUNOS | =17.4-r1-s2 | |
| Juniper JUNOS | =17.4-r1-s4 | |
| Juniper JUNOS | =17.4-r1-s5 | |
| Juniper JUNOS | =17.4-r1-s6 | |
| Juniper JUNOS | =17.4-r1-s7 | |
| Juniper JUNOS | =17.4-r2 | |
| Juniper JUNOS | =17.4-r2-s1 | |
| Juniper JUNOS | =17.4-r2-s10 | |
| Juniper JUNOS | =17.4-r2-s2 | |
| Juniper JUNOS | =17.4-r2-s3 | |
| Juniper JUNOS | =17.4-r2-s4 | |
| Juniper JUNOS | =17.4-r2-s5 | |
| Juniper JUNOS | =17.4-r2-s6 | |
| Juniper JUNOS | =17.4-r2-s7 | |
| Juniper JUNOS | =17.4-r2-s8 | |
| Juniper JUNOS | =17.4-r2-s9 | |
| Juniper JUNOS | =17.4-r3 | |
| Juniper JUNOS | =17.4-r3-s1 | |
| Juniper JUNOS | =17.4-r3-s2 | |
| Juniper JUNOS | =18.1 | |
| Juniper JUNOS | =18.1-r1 | |
| Juniper JUNOS | =18.1-r2 | |
| Juniper JUNOS | =18.1-r2-s1 | |
| Juniper JUNOS | =18.1-r2-s2 | |
| Juniper JUNOS | =18.1-r2-s4 | |
| Juniper JUNOS | =18.1-r3 | |
| Juniper JUNOS | =18.1-r3-s1 | |
| Juniper JUNOS | =18.1-r3-s10 | |
| Juniper JUNOS | =18.1-r3-s2 | |
| Juniper JUNOS | =18.1-r3-s3 | |
| Juniper JUNOS | =18.1-r3-s4 | |
| Juniper JUNOS | =18.1-r3-s6 | |
| Juniper JUNOS | =18.1-r3-s7 | |
| Juniper JUNOS | =18.1-r3-s8 | |
| Juniper JUNOS | =18.1-r3-s9 | |
| Juniper JUNOS | =18.2 | |
| Juniper JUNOS | =18.2-r1 | |
| Juniper JUNOS | =18.2-r1 | |
| Juniper JUNOS | =18.2-r1-s3 | |
| Juniper JUNOS | =18.2-r1-s4 | |
| Juniper JUNOS | =18.2-r1-s5 | |
| Juniper JUNOS | =18.2-r2 | |
| Juniper JUNOS | =18.2-r2-s1 | |
| Juniper JUNOS | =18.2-r2-s2 | |
| Juniper JUNOS | =18.2-r2-s3 | |
| Juniper JUNOS | =18.2-r2-s4 | |
| Juniper JUNOS | =18.2-r2-s5 | |
| Juniper JUNOS | =18.2-r2-s6 | |
| Juniper JUNOS | =18.2-r3 | |
| Juniper JUNOS | =18.2-r3-s1 | |
| Juniper JUNOS | =18.2-r3-s2 | |
| Juniper JUNOS | =18.2-r3-s3 | |
| Juniper JUNOS | =18.2-r3-s4 | |
| Juniper JUNOS | =18.2-r3-s5 | |
| Juniper JUNOS | =18.3 | |
| Juniper JUNOS | =18.3-r1 | |
| Juniper JUNOS | =18.3-r1-s1 | |
| Juniper JUNOS | =18.3-r1-s2 | |
| Juniper JUNOS | =18.3-r1-s3 | |
| Juniper JUNOS | =18.3-r1-s5 | |
| Juniper JUNOS | =18.3-r1-s6 | |
| Juniper JUNOS | =18.3-r2 | |
| Juniper JUNOS | =18.3-r2-s1 | |
| Juniper JUNOS | =18.3-r2-s2 | |
| Juniper JUNOS | =18.3-r2-s3 | |
| Juniper JUNOS | =18.3-r2-s4 | |
| Juniper JUNOS | =18.3-r3 | |
| Juniper JUNOS | =18.3-r3-s1 | |
| Juniper JUNOS | =18.3-r3-s2 | |
| Juniper JUNOS | =18.3-r3-s3 | |
| Juniper JUNOS | =18.4 | |
| Juniper JUNOS | =18.4-r1 | |
| Juniper JUNOS | =18.4-r1-s1 | |
| Juniper JUNOS | =18.4-r1-s2 | |
| Juniper JUNOS | =18.4-r1-s5 | |
| Juniper JUNOS | =18.4-r1-s6 | |
| Juniper JUNOS | =18.4-r2 | |
| Juniper JUNOS | =18.4-r2-s1 | |
| Juniper JUNOS | =18.4-r2-s2 | |
| Juniper JUNOS | =18.4-r2-s3 | |
| Juniper JUNOS | =18.4-r2-s4 | |
| Juniper JUNOS | =18.4-r2-s5 | |
| Juniper JUNOS | =18.4-r2-s6 | |
| Juniper JUNOS | =18.4-r3 | |
| Juniper JUNOS | =18.4-r3-s1 | |
| Juniper JUNOS | =18.4-r3-s2 | |
| Juniper JUNOS | =18.4-r3-s3 | |
| Juniper JUNOS | =18.4-r3-s4 | |
| Juniper JUNOS | =18.4-r3-s5 | |
| Juniper JUNOS | =19.1 | |
| Juniper JUNOS | =19.1-r1 | |
| Juniper JUNOS | =19.1-r1-s1 | |
| Juniper JUNOS | =19.1-r1-s2 | |
| Juniper JUNOS | =19.1-r1-s3 | |
| Juniper JUNOS | =19.1-r1-s4 | |
| Juniper JUNOS | =19.1-r1-s5 | |
| Juniper JUNOS | =19.1-r2 | |
| Juniper JUNOS | =19.1-r2-s1 | |
| Juniper JUNOS | =19.1-r3 | |
| Juniper JUNOS | =19.1-r3-s1 | |
| Juniper JUNOS | =19.1-r3-s2 | |
| Juniper JUNOS | =19.1-r3-s3 | |
| Juniper JUNOS | =19.2 | |
| Juniper JUNOS | =19.2-r1 | |
| Juniper JUNOS | =19.2-r1-s1 | |
| Juniper JUNOS | =19.2-r1-s2 | |
| Juniper JUNOS | =19.2-r1-s3 | |
| Juniper JUNOS | =19.2-r1-s4 | |
| Juniper JUNOS | =19.2-r1-s5 | |
| Juniper JUNOS | =19.2-r3 | |
| Juniper JUNOS | =19.3 | |
| Juniper JUNOS | =19.3-r1 | |
| Juniper JUNOS | =19.3-r1-s1 | |
| Juniper JUNOS | =19.3-r2 | |
| Juniper JUNOS | =19.3-r2-s1 | |
| Juniper JUNOS | =19.3-r2-s2 | |
| Juniper JUNOS | =19.3-r2-s3 | |
| Juniper JUNOS | =19.3-r2-s4 | |
| Juniper JUNOS | =19.3-r3 | |
| Juniper JUNOS | =19.4-r1 | |
| Juniper JUNOS | =19.4-r1-s1 | |
| Juniper JUNOS | =19.4-r1-s2 | |
| Juniper JUNOS | =19.4-r2 | |
| Juniper JUNOS | =19.4-r2-s1 | |
| Juniper JUNOS | =19.4-r3 | |
| Juniper JUNOS | =20.1-r1 | |
| Juniper JUNOS | =20.1-r1-s1 | |
| Juniper JUNOS | =20.1-r1-s2 | |
| Juniper JUNOS | =20.1-r1-s3 | |
| Juniper JUNOS | =20.2-r1 |
Remedy
The following software releases have been updated to resolve this specific issue: Junos OS 15.1R7-S9*, 17.3R3-S11*, 17.4R2-S12, 17.4R3-S3, 18.1R3-S11, 18.2R3-S6, 18.3R2-S4, 18.3R3-S4, 18.4R2-S7, 18.4R3-S6, 19.1R2-S2, 19.1R3-S4, 19.2R1-S6, 19.2R3-S1, 19.3R3-S1, 19.4R2-S2, 19.4R3, 20.1R1-S4, 20.1R2, 20.2R2, 20.3R1, and all subsequent releases. *Late availability
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Reference Links
- collector/nvd-index
- agent/type
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/author
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/description
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- agent/event
- vendor/juniper
- canonical/juniper junos
- version/juniper junos/15.1
- version/juniper junos/15.1-a1
- version/juniper junos/15.1-f
- version/juniper junos/15.1-f1
- version/juniper junos/15.1-f2
- version/juniper junos/15.1-f2-s1
- version/juniper junos/15.1-f2-s2
- version/juniper junos/15.1-f2-s3
- version/juniper junos/15.1-f2-s4
- version/juniper junos/15.1-f3
- version/juniper junos/15.1-f4
- version/juniper junos/15.1-f5
- version/juniper junos/15.1-f5-s7
- version/juniper junos/15.1-f6
- version/juniper junos/15.1-f6-s1
- version/juniper junos/15.1-f6-s12
- version/juniper junos/15.1-f6-s2
- version/juniper junos/15.1-f6-s3
- version/juniper junos/15.1-f6-s4
- version/juniper junos/15.1-f6-s7
- version/juniper junos/15.1-f7
- version/juniper junos/15.1-r1
- version/juniper junos/15.1-r2
- version/juniper junos/15.1-r3
- version/juniper junos/15.1-r4
- version/juniper junos/15.1-r4-s7
- version/juniper junos/15.1-r4-s8
- version/juniper junos/15.1-r4-s9
- version/juniper junos/15.1-r5
- version/juniper junos/15.1-r5-s1
- version/juniper junos/15.1-r5-s5
- version/juniper junos/15.1-r5-s6
- version/juniper junos/15.1-r6
- version/juniper junos/15.1-r6-s1
- version/juniper junos/15.1-r6-s2
- version/juniper junos/15.1-r6-s6
- version/juniper junos/15.1-r7
- version/juniper junos/15.1-r7-s1
- version/juniper junos/15.1-r7-s2
- version/juniper junos/15.1-r7-s3
- version/juniper junos/15.1-r7-s4
- version/juniper junos/15.1-r7-s5
- version/juniper junos/15.1-r7-s6
- version/juniper junos/15.1-r7-s7
- version/juniper junos/15.1-r7-s8
- version/juniper junos/17.3
- version/juniper junos/17.3-r1-s1
- version/juniper junos/17.3-r2
- version/juniper junos/17.3-r2-s1
- version/juniper junos/17.3-r2-s2
- version/juniper junos/17.3-r2-s3
- version/juniper junos/17.3-r2-s4
- version/juniper junos/17.3-r2-s5
- version/juniper junos/17.3-r3
- version/juniper junos/17.3-r3-s1
- version/juniper junos/17.3-r3-s10
- version/juniper junos/17.3-r3-s2
- version/juniper junos/17.3-r3-s3
- version/juniper junos/17.3-r3-s4
- version/juniper junos/17.3-r3-s5
- version/juniper junos/17.3-r3-s6
- version/juniper junos/17.3-r3-s7
- version/juniper junos/17.3-r3-s8
- version/juniper junos/17.3-r3-s9
- version/juniper junos/17.4
- version/juniper junos/17.4-r1
- version/juniper junos/17.4-r1-s1
- version/juniper junos/17.4-r1-s2
- version/juniper junos/17.4-r1-s4
- version/juniper junos/17.4-r1-s5
- version/juniper junos/17.4-r1-s6
- version/juniper junos/17.4-r1-s7
- version/juniper junos/17.4-r2
- version/juniper junos/17.4-r2-s1
- version/juniper junos/17.4-r2-s10
- version/juniper junos/17.4-r2-s2
- version/juniper junos/17.4-r2-s3
- version/juniper junos/17.4-r2-s4
- version/juniper junos/17.4-r2-s5
- version/juniper junos/17.4-r2-s6
- version/juniper junos/17.4-r2-s7
- version/juniper junos/17.4-r2-s8
- version/juniper junos/17.4-r2-s9
- version/juniper junos/17.4-r3
- version/juniper junos/17.4-r3-s1
- version/juniper junos/17.4-r3-s2
- version/juniper junos/18.1
- version/juniper junos/18.1-r1
- version/juniper junos/18.1-r2
- version/juniper junos/18.1-r2-s1
- version/juniper junos/18.1-r2-s2
- version/juniper junos/18.1-r2-s4
- version/juniper junos/18.1-r3
- version/juniper junos/18.1-r3-s1
- version/juniper junos/18.1-r3-s10
- version/juniper junos/18.1-r3-s2
- version/juniper junos/18.1-r3-s3
- version/juniper junos/18.1-r3-s4
- version/juniper junos/18.1-r3-s6
- version/juniper junos/18.1-r3-s7
- version/juniper junos/18.1-r3-s8
- version/juniper junos/18.1-r3-s9
- version/juniper junos/18.2
- version/juniper junos/18.2-r1
- version/juniper junos/18.2-r1-s3
- version/juniper junos/18.2-r1-s4
- version/juniper junos/18.2-r1-s5
- version/juniper junos/18.2-r2
- version/juniper junos/18.2-r2-s1
- version/juniper junos/18.2-r2-s2
- version/juniper junos/18.2-r2-s3
- version/juniper junos/18.2-r2-s4
- version/juniper junos/18.2-r2-s5
- version/juniper junos/18.2-r2-s6
- version/juniper junos/18.2-r3
- version/juniper junos/18.2-r3-s1
- version/juniper junos/18.2-r3-s2
- version/juniper junos/18.2-r3-s3
- version/juniper junos/18.2-r3-s4
- version/juniper junos/18.2-r3-s5
- version/juniper junos/18.3
- version/juniper junos/18.3-r1
- version/juniper junos/18.3-r1-s1
- version/juniper junos/18.3-r1-s2
- version/juniper junos/18.3-r1-s3
- version/juniper junos/18.3-r1-s5
- version/juniper junos/18.3-r1-s6
- version/juniper junos/18.3-r2
- version/juniper junos/18.3-r2-s1
- version/juniper junos/18.3-r2-s2
- version/juniper junos/18.3-r2-s3
- version/juniper junos/18.3-r2-s4
- version/juniper junos/18.3-r3
- version/juniper junos/18.3-r3-s1
- version/juniper junos/18.3-r3-s2
- version/juniper junos/18.3-r3-s3
- version/juniper junos/18.4
- version/juniper junos/18.4-r1
- version/juniper junos/18.4-r1-s1
- version/juniper junos/18.4-r1-s2
- version/juniper junos/18.4-r1-s5
- version/juniper junos/18.4-r1-s6
- version/juniper junos/18.4-r2
- version/juniper junos/18.4-r2-s1
- version/juniper junos/18.4-r2-s2
- version/juniper junos/18.4-r2-s3
- version/juniper junos/18.4-r2-s4
- version/juniper junos/18.4-r2-s5
- version/juniper junos/18.4-r2-s6
- version/juniper junos/18.4-r3
- version/juniper junos/18.4-r3-s1
- version/juniper junos/18.4-r3-s2
- version/juniper junos/18.4-r3-s3
- version/juniper junos/18.4-r3-s4
- version/juniper junos/18.4-r3-s5
- version/juniper junos/19.1
- version/juniper junos/19.1-r1
- version/juniper junos/19.1-r1-s1
- version/juniper junos/19.1-r1-s2
- version/juniper junos/19.1-r1-s3
- version/juniper junos/19.1-r1-s4
- version/juniper junos/19.1-r1-s5
- version/juniper junos/19.1-r2
- version/juniper junos/19.1-r2-s1
- version/juniper junos/19.1-r3
- version/juniper junos/19.1-r3-s1
- version/juniper junos/19.1-r3-s2
- version/juniper junos/19.1-r3-s3
- version/juniper junos/19.2
- version/juniper junos/19.2-r1
- version/juniper junos/19.2-r1-s1
- version/juniper junos/19.2-r1-s2
- version/juniper junos/19.2-r1-s3
- version/juniper junos/19.2-r1-s4
- version/juniper junos/19.2-r1-s5
- version/juniper junos/19.2-r3
- version/juniper junos/19.3
- version/juniper junos/19.3-r1
- version/juniper junos/19.3-r1-s1
- version/juniper junos/19.3-r2
- version/juniper junos/19.3-r2-s1
- version/juniper junos/19.3-r2-s2
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