What is CVE-2021-0248?

CVE-2021-0248 is a critical-severity vulnerability in Juniper Junos, classified under Use of Hard-coded Credentials. CVSS score: 10.0/10. Published 2021-04-22.

How severe is CVE-2021-0248?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Juniper Junos

CVE-2021-0248

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 th…

EPSS: 0.010 (59.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Juniper Junos — versions 19.1
Juniper Nfx150
Juniper Nfx250
Juniper Nfx350
Juniper Networks Junos Os — versions unspecified

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

sirt@juniper.net (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0248?: CVE-2021-0248 is a critical-severity vulnerability in Juniper Junos, classified under Use of Hard-coded Credentials. CVSS score: 10.0/10. Published 2021-04-22.
How severe is CVE-2021-0248?: Critical severity. CVSS v3 base score is 10.0 out of 10.