CVE-2021-0245 json
Junos OS: Junos Fusion: Hard-coded credentials on satellite devices allows a locally authenticated attacker to elevate their privileges.
published 2021-04-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-2864
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
A Use of Hard-coded Credentials vulnerability in Juniper Networks Junos OS on Junos Fusion satellite devices allows an attacker who is local to the device to elevate their privileges and take control of the device. This issue affects: Juniper Networks Junos OS Junos Fusion Satellite Devices. 16.1 versions prior to 16.1R7-S7; 17.1 versions prior to 17.1R2-S12, 17.1R3-S2; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10; 17.4 version 17.4R3 and later versions; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S4, 19.2R2; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2; 20.1 versions prior to 20.1R1-S1, 20.1R2. This issue does not affected Junos OS releases prior to 16.1R1 or all 19.2R3 and 19.4R3 release versions.
Patch / fix
- Juniper Networks Junos OS 16.1R7-S7, 17.1R2-S12, 17.1R3-S2, 17.2R3-S4, 17.3R3-S8, 17.4R2-S10, 18.1R3-S10, 18.2R2-S7, 18.2R3-S3, 18.3R1-S7, 18.3R2-S4, 18.3R3-S2, 18.4R1-S6, 18.4R2-S4, 18.4R3-S1, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S4, 19.2R2, 19.3R2-S5, 19.3R3, 19.4R1-S1, 19.4R2, 20.1R1-S1, 20.1R2
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Juniper Networks Junos OS
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
kb.juniper.net
/JSA11138
vendor-advisory
Sources
- CVE List CVE-2021-0245
- NVD CVE-2021-0245
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