CVE-2021-31372: Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.
First published: Tue Oct 19 2021(Updated: )
An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated J-Web attacker to escalate their privileges to root over the target device. This issue affects: Juniper Networks Junos OS All versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2;
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper JUNOS | <=18.2 | |
| 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-s4 | |
| 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 | =18.3-r3-s4 | |
| 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-s3 | |
| Juniper JUNOS | =18.4-r1-s4 | |
| Juniper JUNOS | =18.4-r1-s5 | |
| Juniper JUNOS | =18.4-r1-s6 | |
| Juniper JUNOS | =18.4-r1-s7 | |
| 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-r2-s7 | |
| Juniper JUNOS | =18.4-r2-s8 | |
| 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 | =18.4-r3-s6 | |
| Juniper JUNOS | =18.4-r3-s7 | |
| Juniper JUNOS | =18.4-r3-s8 | |
| 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-r1-s6 | |
| Juniper JUNOS | =19.1-r2 | |
| Juniper JUNOS | =19.1-r2-s1 | |
| Juniper JUNOS | =19.1-r2-s2 | |
| 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 | =19.1-r3-s4 | |
| Juniper JUNOS | =19.1-r3-s5 | |
| 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-r1-s6 | |
| Juniper JUNOS | =19.2-r2 | |
| Juniper JUNOS | =19.2-r2-s1 | |
| Juniper JUNOS | =19.2-r3 | |
| Juniper JUNOS | =19.2-r3-s1 | |
| Juniper JUNOS | =19.2-r3-s2 | |
| 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-r2-s5 | |
| Juniper JUNOS | =19.3-r3 | |
| Juniper JUNOS | =19.3-r3-s1 | |
| Juniper JUNOS | =19.3-r3-s2 | |
| Juniper JUNOS | =19.4-r1 | |
| Juniper JUNOS | =19.4-r1-s1 | |
| Juniper JUNOS | =19.4-r1-s2 | |
| Juniper JUNOS | =19.4-r1-s3 | |
| Juniper JUNOS | =19.4-r2 | |
| Juniper JUNOS | =19.4-r2-s1 | |
| Juniper JUNOS | =19.4-r2-s2 | |
| Juniper JUNOS | =19.4-r2-s3 | |
| Juniper JUNOS | =19.4-r3 | |
| Juniper JUNOS | =19.4-r3-s1 | |
| Juniper JUNOS | =19.4-r3-s2 | |
| Juniper JUNOS | =19.4-r3-s3 | |
| Juniper JUNOS | =19.4-r3-s4 | |
| 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 | =20.1-r1-s4 | |
| Juniper JUNOS | =20.1-r2 | |
| Juniper JUNOS | =20.1-r2-s1 | |
| Juniper JUNOS | =20.1-r2-s2 | |
| Juniper JUNOS | =20.1-r3 | |
| Juniper JUNOS | =20.2-r1 | |
| Juniper JUNOS | =20.2-r1-s1 | |
| Juniper JUNOS | =20.2-r1-s2 | |
| Juniper JUNOS | =20.2-r1-s3 | |
| Juniper JUNOS | =20.2-r2 | |
| Juniper JUNOS | =20.2-r2-s1 | |
| Juniper JUNOS | =20.2-r2-s2 | |
| Juniper JUNOS | =20.2-r2-s3 | |
| Juniper JUNOS | =20.2-r3 | |
| Juniper JUNOS | =20.2-r3-s1 | |
| Juniper JUNOS | =20.3-r1 | |
| Juniper JUNOS | =20.3-r1-s1 | |
| Juniper JUNOS | =20.3-r2 | |
| Juniper JUNOS | =20.3-r2-s1 | |
| Juniper JUNOS | =20.3-r3 | |
| Juniper JUNOS | =20.4-r1 | |
| Juniper JUNOS | =20.4-r1-s1 | |
| Juniper JUNOS | =20.4-r2 | |
| Juniper JUNOS | =20.4-r2-s1 | |
| Juniper JUNOS | =21.1-r1 | |
| Juniper JUNOS | =21.1-r1-s1 | |
| Juniper JUNOS | =21.2-r1 |
Remedy
The following software releases have been updated to resolve this specific issue: 18.3R3-S5, 18.4R3-S9, 19.1R3-S6, 19.2R3-S3, 19.3R3-S3, 19.4R3-S5, 20.1R3-S1, 20.2R3-S2, 20.3R3-S1, 20.4R3, 21.1R2, 21.1R3, 21.2R1-S1, 21.2R2, 21.3R1, and all subsequent releases.
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Reference Links
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/references
- agent/title
- agent/severity
- agent/remedy
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- vendor/juniper
- canonical/juniper junos
- version/juniper junos/18.2
- 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-s4
- 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/18.3-r3-s4
- 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-s3
- version/juniper junos/18.4-r1-s4
- version/juniper junos/18.4-r1-s5
- version/juniper junos/18.4-r1-s6
- version/juniper junos/18.4-r1-s7
- 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-r2-s7
- version/juniper junos/18.4-r2-s8
- 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/18.4-r3-s6
- version/juniper junos/18.4-r3-s7
- version/juniper junos/18.4-r3-s8
- 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-r1-s6
- version/juniper junos/19.1-r2
- version/juniper junos/19.1-r2-s1
- version/juniper junos/19.1-r2-s2
- 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/19.1-r3-s4
- version/juniper junos/19.1-r3-s5
- 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-r1-s6
- version/juniper junos/19.2-r2
- version/juniper junos/19.2-r2-s1
- version/juniper junos/19.2-r3
- version/juniper junos/19.2-r3-s1
- version/juniper junos/19.2-r3-s2
- 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
- version/juniper junos/19.3-r2-s3
- version/juniper junos/19.3-r2-s4
- version/juniper junos/19.3-r2-s5
- version/juniper junos/19.3-r3
- version/juniper junos/19.3-r3-s1
- version/juniper junos/19.3-r3-s2
- version/juniper junos/19.4-r1
- version/juniper junos/19.4-r1-s1
- version/juniper junos/19.4-r1-s2
- version/juniper junos/19.4-r1-s3
- version/juniper junos/19.4-r2
- version/juniper junos/19.4-r2-s1
- version/juniper junos/19.4-r2-s2
- version/juniper junos/19.4-r2-s3
- version/juniper junos/19.4-r3
- version/juniper junos/19.4-r3-s1
- version/juniper junos/19.4-r3-s2
- version/juniper junos/19.4-r3-s3
- version/juniper junos/19.4-r3-s4
- version/juniper junos/20.1-r1
- version/juniper junos/20.1-r1-s1
- version/juniper junos/20.1-r1-s2
- version/juniper junos/20.1-r1-s3
- version/juniper junos/20.1-r1-s4
- version/juniper junos/20.1-r2
- version/juniper junos/20.1-r2-s1
- version/juniper junos/20.1-r2-s2
- version/juniper junos/20.1-r3
- version/juniper junos/20.2-r1
- version/juniper junos/20.2-r1-s1
- version/juniper junos/20.2-r1-s2
- version/juniper junos/20.2-r1-s3
- version/juniper junos/20.2-r2
- version/juniper junos/20.2-r2-s1
- version/juniper junos/20.2-r2-s2
- version/juniper junos/20.2-r2-s3
- version/juniper junos/20.2-r3
- version/juniper junos/20.2-r3-s1
- version/juniper junos/20.3-r1
- version/juniper junos/20.3-r1-s1
- version/juniper junos/20.3-r2
- version/juniper junos/20.3-r2-s1
- version/juniper junos/20.3-r3
- version/juniper junos/20.4-r1
- version/juniper junos/20.4-r1-s1
- version/juniper junos/20.4-r2
- version/juniper junos/20.4-r2-s1
- version/juniper junos/21.1-r1
- version/juniper junos/21.1-r1-s1
- version/juniper junos/21.2-r1