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Vulnerability · Published Jan 19, 2022 · Assigned by juniper

CVE-2022-22168Junos OS: vMX and MX150: Specific packets might cause a memory leak and eventually an FPC reboot

Medium 6.5

In plain English

A medium-severity memory leak in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 66.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An Improper Validation of Specified Type of Input vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to trigger a Missing Release of Memory after Effective Lifetime vulnerability. Continued exploitation of this vulnerability will eventually lead to an FPC reboot and thereby a Denial of Service (DoS). This issue affects: Juniper Networks Junos OS on vMX and MX150: All versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R2-S5, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2; 21.3 versions prior to 21.3R1-S1, 21.3R2.

Affected products (as reported)

VendorProductVersions
Juniper Networks Junos OS unspecified – before 19.2R1-S8, 19.2R3-S419.3 – before 19.3R3-S519.4 – before 19.4R2-S5, 19.4R3-S620.1 – before 20.1R3-S220.2 – before 20.2R3-S320.3 – before 20.3R3-S120.4 – before 20.4R321.1 – before 21.1R2-S1, 21.1R3

Weakness: CWE-1287, CWE-401 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References