An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).
When a device has a Layer 3 or an IRB interface configured in a VPLS instance and specific traffic is received, the evo-pfemand processes crashes which causes a service outage for the respective FPC until the system is recovered manually.
This issue only affects Junos OS Evolved 22.4R2-S1 and 22.4R2-S2 releases and is fixed in 22.4R3. No other releases are affected.
When a device has a Layer 3 or an IRB interface configured in a VPLS instance and specific traffic is received, the evo-pfemand processes crashes which causes a service outage for the respective FPC until the system is recovered manually.
This issue only affects Junos OS Evolved 22.4R2-S1 and 22.4R2-S2 releases and is fixed in 22.4R3. No other releases are affected.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-38061 | An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). When a device has a Layer 3 or an IRB interface configured in a VPLS instance and specific traffic is received, the evo-pfemand processes crashes which causes a service outage for the respective FPC until the system is recovered manually. This issue only affects Junos OS Evolved 22.4R2-S1 and 22.4R2-S2 releases and is fixed in 22.4R3. No other releases are affected. |
Fixes
Solution
The following software releases have been updated to resolve this specific issue: 22.4R3-EVO, and all subsequent releases.
Workaround
There are no known workarounds for this issue.
References
| Link | Providers |
|---|---|
| https://supportportal.juniper.net/JSA82995 |
|
History
No history.
Projects
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Status: PUBLISHED
Assigner: juniper
Published:
Updated: 2024-08-02T04:26:15.853Z
Reserved: 2024-06-25T15:12:53.241Z
Link: CVE-2024-39535
Updated: 2024-07-12T18:09:47.379Z
Status : Awaiting Analysis
Published: 2024-07-11T17:15:10.900
Modified: 2024-11-21T09:27:57.230
Link: CVE-2024-39535
No data.
OpenCVE Enrichment
Updated: 2025-07-12T22:44:40Z
Weaknesses
EUVD