What is CVE-2022-22163?

CVE-2022-22163 is a high-severity vulnerability in Juniper Junos, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2022-01-19.

How severe is CVE-2022-22163?

High severity. CVSS v3 base score is 7.4 out of 10.

Improper input validation in Juniper Junos

CVE-2022-22163

An Improper Input Validation vulnerability in the Juniper DHCP daemon (jdhcpd) of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a crash of jdhcpd and thereby a Denial of Service (DoS). If a device is configured as DHCPv6 local server and persistent storage is enabled, jdhcpd will crash when receiving a specific DHCPv6 message. This issue affects: Juniper Networks Junos OS All versions prior to 15.1R7-S11; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.

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

EPSS: 0.004 (29.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Juniper Junos — versions 15.1, 18.4, 19.1
Juniper Networks Junos Os — versions unspecified, 18.4, 19.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2022-22163?: CVE-2022-22163 is a high-severity vulnerability in Juniper Junos, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2022-01-19.
How severe is CVE-2022-22163?: High severity. CVSS v3 base score is 7.4 out of 10.