What is CVE-2021-0202?

CVE-2021-0202 is a high-severity vulnerability in Juniper Ex9200, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-01-15.

How severe is CVE-2021-0202?

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

Resource exhaustion in Juniper Ex9200

CVE-2021-0202

On Juniper Networks MX Series and EX9200 Series platforms with Trio-based MPC (Modular Port Concentrator) where Integrated Routing and Bridging (IRB) interface is configured and it is mapped to a VPLS instance or a Bridge-Domain, certain n…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.010 (59.2th 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 Ex9200
Juniper Junos — versions 17.3, 17.4, 18.2
Juniper Mx10
Juniper Mx10000
Juniper Mx10003
Juniper Mx104
Juniper Mx150
Juniper Mx2008
Juniper Mx2010
Juniper Mx2020

Weakness classification (CWE)

References

sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0202?: CVE-2021-0202 is a high-severity vulnerability in Juniper Ex9200, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-01-15.
How severe is CVE-2021-0202?: High severity. CVSS v3 base score is 7.5 out of 10.