CVE-2021-0218
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Junos OS: Command injection vulnerability in license-check daemon
A command injection vulnerability in the license-check daemon of Juniper Networks Junos OS that may allow a locally authenticated attacker with low privileges to execute commands with root privilege. license-check is a daemon used to manage licenses in Junos OS. To update licenses, a user executes the command 'request system license update' via the CLI. An attacker with access to this CLI command may be able to exploit the vulnerability. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 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 18.3R3-S4; 18.4 versions prior to 18.4R3-S6; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3; 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 20.2R1-S2, 20.2R2.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | unaffected | custom | 16.1R1 | Unavailable | None listed |
| 17.3 | affected | custom | 17.3R3-S9 | Unavailable | None listed |
| 17.4 | affected | custom | 17.4R2-S12, 17.4R3-S3 | Unavailable | None listed |
| 18.1 | affected | custom | 18.1R3-S11 | Unavailable | None listed |
| 18.2 | affected | custom | 18.2R3-S6 | Unavailable | None listed |
| 18.3 | affected | custom | 18.3R3-S4 | Unavailable | None listed |
| 18.4 | affected | custom | 18.4R3-S6 | Unavailable | None listed |
| 19.1 | affected | custom | 19.1R1-S6, 19.1R2-S2, 19.1R3-S3 | Unavailable | None listed |
| 19.2 | affected | custom | 19.2R3-S1 | Unavailable | None listed |
| 19.3 | affected | custom | 19.3R2-S5, 19.3R3 | Unavailable | None listed |
| 19.4 | affected | custom | 19.4R2-S2, 19.4R3 | Unavailable | None listed |
| 20.1 | affected | custom | 20.1R1-S4, 20.1R2 | Unavailable | None listed |
| 20.2 | affected | custom | 20.2R1-S2, 20.2R2 | Unavailable | None listed |