CVE-2022-22194 : An Improper Check for Unusual or Exceptional Conditions vulnerability in the pac

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packetIO daemon of Juniper Networks Junos OS Evolved on PTX10003, PTX10004, and PTX10008 allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). Continued receipt of these crafted packets will cause a sustained Denial of Service condition. This issue affects Juniper Networks Junos OS Evolved all versions prior to 20.4R2-S3-EVO on PTX10003, PTX10004, and PTX10008. This issue does not affect: Juniper Networks Junos OS Evolved versions 21.1R1-EVO and above; Juniper Networks Junos OS.

Published 2022-04-14 16:15:08

Updated 2022-04-21 09:54:01

Source Juniper Networks, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2022-22194

Juniper » Junos Os Evolved
Versions before (<) 20.4
cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*
Matching versions
When used together with: Juniper » Ptx10003 » Version: N/A
When used together with: Juniper » Ptx10004 » Version: N/A
When used together with: Juniper » Ptx10008 » Version: N/A
Juniper » Junos Os Evolved » Version: 20.4 Update R1
cpe:2.3:o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:*
Matching versions
When used together with: Juniper » Ptx10003 » Version: N/A
When used together with: Juniper » Ptx10004 » Version: N/A
When used together with: Juniper » Ptx10008 » Version: N/A
Juniper » Junos Os Evolved » Version: 20.4 Update R1-s1
cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:*
Matching versions
When used together with: Juniper » Ptx10003 » Version: N/A
When used together with: Juniper » Ptx10004 » Version: N/A
When used together with: Juniper » Ptx10008 » Version: N/A
Juniper » Junos Os Evolved » Version: 20.4 Update R1-s2
cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s2:*:*:*:*:*:*
Matching versions
When used together with: Juniper » Ptx10003 » Version: N/A
When used together with: Juniper » Ptx10004 » Version: N/A
When used together with: Juniper » Ptx10008 » Version: N/A
Juniper » Junos Os Evolved » Version: 20.4 Update R2
cpe:2.3:o:juniper:junos_os_evolved:20.4:r2:*:*:*:*:*:*
Matching versions
When used together with: Juniper » Ptx10003 » Version: N/A
When used together with: Juniper » Ptx10004 » Version: N/A
When used together with: Juniper » Ptx10008 » Version: N/A
Juniper » Junos Os Evolved » Version: 20.4 Update R2-s1
cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s1:*:*:*:*:*:*
Matching versions
When used together with: Juniper » Ptx10003 » Version: N/A
When used together with: Juniper » Ptx10004 » Version: N/A
When used together with: Juniper » Ptx10008 » Version: N/A
Juniper » Junos Os Evolved » Version: 20.4 Update R2-s2
cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s2:*:*:*:*:*:*
Matching versions
When used together with: Juniper » Ptx10003 » Version: N/A
When used together with: Juniper » Ptx10004 » Version: N/A
When used together with: Juniper » Ptx10008 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-22194

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 38 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-22194

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Juniper Networks, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-22194

CWE-754 Improper Check for Unusual or Exceptional Conditions

The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

Assigned by: sirt@juniper.net (Primary)

References for CVE-2022-22194

https://kb.juniper.net/JSA69505

2022-04 Security Bulletin: Junos OS Evolved: PTX series: An attacker sending a crafted GRE packet will cause the PFE to restart (CVE-2022-22194)
Mitigation;Vendor Advisory

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Vulnerability Details : CVE-2022-22194

Products affected by CVE-2022-22194

Exploit prediction scoring system (EPSS) score for CVE-2022-22194

CVSS scores for CVE-2022-22194

CWE ids for CVE-2022-22194

References for CVE-2022-22194