Improper input validation in Juniper Junos OS Evolved
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 class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Juniper Junos OS Evolved — versions 21.3, 21.4, 22.1
- Juniper Networks Junos OS Evolved — versions unspecified, 21.3-EVO, 21.4-EVO
Weakness classification (CWE)
References
- kb.juniper.net/JSA69904 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-22247?
- CVE-2022-22247 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-10-18.
- How severe is CVE-2022-22247?
- High severity. CVSS v3 base score is 7.5 out of 10.