Vulnerability Details : CVE-2022-22247

An Improper Input Validation vulnerability in ingress TCP segment processing of Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker to send a crafted TCP segment to the device, triggering a kernel panic, leading to a Denial of Service (DoS) condition. Continued receipt and processing of this TCP segment could create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS Evolved: 21.3 versions prior to 21.3R3-EVO; 21.4 versions prior to 21.4R2-EVO; 22.1 versions prior to 22.1R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.3R1-EVO.
Vulnerability category: Input validationDenial of service
Published 2022-10-18 03:15:11
Updated 2022-10-20 15:19:07
Source Juniper Networks, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-22247

Probability of exploitation activity in the next 30 days: 0.09%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 36 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-22247

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
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
 sirt@juniper.net

CWE ids for CVE-2022-22247

  • 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:
    • nvd@nist.gov (Primary)
    • sirt@juniper.net (Secondary)

References for CVE-2022-22247

  • https://kb.juniper.net/JSA69904
    2022-10 Security Bulletin: Junos OS Evolved: Kernel processing of unvalidated TCP segments could lead to a Denial of Service (DoS) (CVE-2022-22247)
    Vendor Advisory

Products affected by CVE-2022-22247

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