CVE-2024-39519
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
13.0%
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a
Denial-of-Service (DoS).
On all ACX 7000 Series platforms running
Junos OS Evolved, and configured with IRBs, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic.
This issue affects Junos OS Evolved:
All versions from 22.2R1-EVO and later versions before 22.4R2-EVO,
This issue does not affect Junos OS Evolved versions before 22.1R1-EVO.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| juniper | junos_os_evolved | * | cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:* |
| juniper | junos_os_evolved | 22.4 | cpe:2.3:o:juniper:junos_os_evolved:22.4:-:*:*:*:*:*:* |
| juniper | junos_os_evolved | 22.4 | cpe:2.3:o:juniper:junos_os_evolved:22.4:r1:*:*:*:*:*:* |
| juniper | junos_os_evolved | 22.4 | cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s1:*:*:*:*:*:* |
| juniper | junos_os_evolved | 22.4 | cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s2:*:*:*:*:*:* |
| juniper | acx7024 | - | cpe:2.3:h:juniper:acx7024:-:*:*:*:*:*:*:* |
| juniper | acx7024x | - | cpe:2.3:h:juniper:acx7024x:-:*:*:*:*:*:*:* |
| juniper | acx7100-32c | - | cpe:2.3:h:juniper:acx7100-32c:-:*:*:*:*:*:*:* |
| juniper | acx7100-48l | - | cpe:2.3:h:juniper:acx7100-48l:-:*:*:*:*:*:*:* |
| juniper | acx7332 | - | cpe:2.3:h:juniper:acx7332:-:*:*:*:*:*:*:* |
References
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
13.0%