What is CVE-2021-0207?

CVE-2021-0207 is a high-severity vulnerability in Juniper Ex2300, classified under CWE-115. CVSS score: 7.5/10. Published 2021-01-15.

How severe is CVE-2021-0207?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Juniper Ex2300

CVE-2021-0207

An improper interpretation conflict of certain data between certain software components within the Juniper Networks Junos OS devices does not allow certain traffic to pass through the device upon receipt from an ingress interface filtering…

EPSS: 0.013 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Ex2300
Juniper Ex3400
Juniper Ex4300
Juniper Ex4600
Juniper Junos — versions 17.3, 17.4, 18.1
Juniper Nfx250
Juniper Nfx350
Juniper Qfx5100
Juniper Qfx5110
Juniper Qfx5120

Weakness classification (CWE)

References

sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0207?: CVE-2021-0207 is a high-severity vulnerability in Juniper Ex2300, classified under CWE-115. CVSS score: 7.5/10. Published 2021-01-15.
How severe is CVE-2021-0207?: High severity. CVSS v3 base score is 7.5 out of 10.