What is CVE-2021-0263?

CVE-2021-0263 is a medium-severity vulnerability in Juniper Junos, classified under CWE-19. CVSS score: 5.9/10. Published 2021-04-22.

How severe is CVE-2021-0263?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Juniper Junos

CVE-2021-0263

A Data Processing vulnerability in the Multi-Service process (multi-svcs) on the FPC of Juniper Networks Junos OS on the PTX Series routers may lead to the process becoming unresponsive, ultimately affecting traffic forwarding, allowing an…

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Junos — versions 18.2, 18.3, 18.4
Juniper Ptx1000
Juniper Ptx10001-36mr
Juniper Ptx10002
Juniper Ptx10003
Juniper Ptx10004
Juniper Ptx10008
Juniper Ptx10016
Juniper Ptx3000
Juniper Ptx5000

Weakness classification (CWE)

CWE-19

References

sirt@juniper.net (x_refsource_MISC, Vendor Advisory)
sirt@juniper.net (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0263?: CVE-2021-0263 is a medium-severity vulnerability in Juniper Junos, classified under CWE-19. CVSS score: 5.9/10. Published 2021-04-22.
How severe is CVE-2021-0263?: Medium severity. CVSS v3 base score is 5.9 out of 10.