Junos OS Evolved: A remote attacker may cause a CPU Denial of Service by sending genuine traffic to a device on a specific IPv4 port.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS Evolved | affected |
|
||||||||||||||||||
| Juniper Networks | Junos OS | affected |
|
Configuration 1 [-]
|
No data.
No data available yet.
Vendor Solution
The following software releases have been updated to resolve this specific issue: 20.4R3-S2-EVO, 21.1R3-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R2-EVO, 22.1R1-EVO, and all subsequent releases.
Vendor Workaround
There are no available workarounds for this issue. To reduce the risk of exploitation customers may enable loopback firewall filters on the device to drop unnecessary connections and traffic from untrusted networks and devices.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2022-27330 | An Improper Access Control vulnerability in Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker who is able to connect to a specific open IPv4 port, which in affected releases should otherwise be unreachable, to cause the CPU to consume all resources as more traffic is sent to the port to create a Denial of Service (DoS) condition. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS Evolved 20.4 versions prior to 20.4R3-S2-EVO; 21.1 versions prior to 21.1R3-S1-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO; 21.4 versions prior to 21.4R2-EVO. This issue does not affect Junos OS. |
No CVSS v4.0
No CVSS v3.0
This CVE is not in the KEV list.
Exploit prediction score: 1.0% (1.033% probability within 30 days)
Key SSVC decision points have not yet been added.
| Link | Providers |
|---|---|
| https://kb.juniper.net/JSA69516 |
|
No history.