Vulnerability · Published Oct 18, 2022 · Assigned by juniper

CVE-2022-22192Junos OS Evolved: PTX Series: An attacker can cause a kernel panic by sending a malformed TCP packet to the device

High 7.5

In plain English

A high-severity security flaw in Junos OS Evolved 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 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.8%top 41.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Improper Validation of Syntactic Correctness of Input vulnerability in the kernel of Juniper Networks Junos OS Evolved on PTX series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). When an incoming TCP packet destined to the device is malformed there is a possibility of a kernel panic. Only TCP packets destined to the ports for BGP, LDP and MSDP can trigger this. This issue only affects PTX10004, PTX10008, PTX10016. No other PTX Series devices or other platforms are affected. This issue affects Juniper Networks Junos OS Evolved: 20.4-EVO versions prior to 20.4R3-S4-EVO; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R3-EVO; 22.1-EVO versions prior to 22.1R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 20.4R1-EVO.

Affected products (as reported)

VendorProductVersions
Juniper Networks Junos OS Evolved 20.4-EVO – before 20.4R3-S4-EVO21.3-EVO – before 21.3R3-EVO21.4-EVO – before 21.4R3-EVO22.1-EVO – before 22.1R2-EVO

Weakness: CWE-1286 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References