CVE-2021-0248 json
NFX Series: Hard-coded credentials allow an attacker to take control of any instance through administrative interfaces.
published 2021-04-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-2867
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in Juniper Networks Junos OS allows an attacker to take over any instance of an NFX deployment. This issue is only exploitable through administrative interfaces. This issue affects: Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series. No other platforms besides NFX Series devices are affected.
Patch / fix
- Juniper Networks Junos OS 19.1R1
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Juniper Networks Junos OS
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
kb.juniper.net
/JSA11141
vendor-advisory
Sources
- CVE List CVE-2021-0248
- NVD CVE-2021-0248
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