What is CVE-2021-31376?

CVE-2021-31376 is a high-severity vulnerability in Juniper Acx1000, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-10-19.

How severe is CVE-2021-31376?

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

Improper input validation in Juniper Acx1000

CVE-2021-31376

An Improper Input Validation vulnerability in Packet Forwarding Engine manager (FXPC) process of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) by sending specific DHCPv6 packets to the device and crashing…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (57.8th 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 Acx1000
Juniper Acx1100
Juniper Acx2100
Juniper Acx2200
Juniper Acx4000
Juniper Acx500
Juniper Acx5048
Juniper Acx5096
Juniper Junos — versions 18.4
Juniper Networks Junos Os — versions 18.4

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-31376?: CVE-2021-31376 is a high-severity vulnerability in Juniper Acx1000, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-10-19.
How severe is CVE-2021-31376?: High severity. CVSS v3 base score is 7.5 out of 10.