What is CVE-2021-31361?

CVE-2021-31361 is a medium-severity vulnerability in Juniper Junos, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.3/10. Published 2021-10-19.

How severe is CVE-2021-31361?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Juniper Junos

CVE-2021-31361

An Improper Check for Unusual or Exceptional Conditions vulnerability combined with Improper Handling of Exceptional Conditions in Juniper Networks Junos OS on QFX Series and PTX Series allows an unauthenticated network based attacker to c…

EPSS: 0.010 (58.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Juniper Junos — versions 17.3, 17.3r3, 17.3r3-s2
Juniper Ptx1000
Juniper Ptx10000
Juniper Ptx10001
Juniper Ptx10001-36mr
Juniper Ptx100016
Juniper Ptx10002
Juniper Ptx10002-60c
Juniper Ptx10003
Juniper Ptx10003_160c

Weakness classification (CWE)

References

sirt@juniper.net (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-31361?: CVE-2021-31361 is a medium-severity vulnerability in Juniper Junos, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.3/10. Published 2021-10-19.
How severe is CVE-2021-31361?: Medium severity. CVSS v3 base score is 5.3 out of 10.