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.
Published 2022-01-19 01:15:09
Updated 2022-01-28 17:28:52
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Products affected by CVE-2022-22163

Exploit prediction scoring system (EPSS) score for CVE-2022-22163

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-22163

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.9
LOW AV:A/AC:M/Au:N/C:N/I:N/A:P
5.5
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.8
3.6
NIST
7.4
HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
2.8
4.0
Juniper Networks, Inc.

CWE ids for CVE-2022-22163

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: sirt@juniper.net (Primary)

References for CVE-2022-22163

  • https://kb.juniper.net/JSA11271
    2022-01 Security Bulletin: Junos OS: jdhcpd crashes upon receipt of a specific DHCPv6 packet (CVE-2022-22163) - Juniper Networks
    Vendor Advisory
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