CVE-2022-22195
Last modified
CVE-2022-22195 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. EPSS estimates a 0.99% chance of exploitation in the next 30 days.
Description
An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Juniper | Junos Os Evolved | < 20.4 | — |
| Juniper | Junos Os Evolved | 20.4 | R1 |
| Juniper | Junos Os Evolved | 21.1 | R1 |
| Juniper | Junos Os Evolved | 21.2 | R1 |
| Juniper | Junos Os Evolved | 21.3 | R1 |
References
- https://kb.juniper.net/JSA69508Vendor Advisory
- https://kb.juniper.net/JSA69508Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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