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MEDIUM · 6.5

CVE-2024-39538

A Buffer Copy without Checking Size of Input vulnerability in the PFE management daemon (evo-pfemand) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacke...

Vulnerability Description

A Buffer Copy without Checking Size of Input vulnerability in the PFE management daemon (evo-pfemand) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a  Denial-of-Service (DoS).When multicast traffic with a specific, valid (S,G) is received, evo-pfemand crashes which leads to an outage of the affected FPC until it is manually recovered. This issue affects Junos OS Evolved on ACX7000 Series: * All versions before 21.2R3-S8-EVO, * 21.4-EVO versions before 21.4R3-S7-EVO, * 22.2-EVO versions before 22.2R3-S4-EVO, * 22.3-EVO versions before 22.3R3-S3-EVO,  * 22.4-EVO versions before 22.4R3-S2-EVO,  * 23.2-EVO versions before 23.2R2-EVO,  * 23.4-EVO versions before 23.4R1-S2-EVO, 23.4R2-EVO.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
JuniperJunos Os Evolved< 21.2
JuniperAcx7020-
JuniperAcx7024-
JuniperAcx7024X-
JuniperAcx7100-
JuniperAcx7300-
JuniperAcx7509-

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2024-39538?

CVE-2024-39538 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A Buffer Copy without Checking Size of Input vulnerability in the PFE management daemon (evo-pfemand) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacke...

How severe is CVE-2024-39538?

CVE-2024-39538 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-39538?

Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos Os Evolved, Juniper Acx7020, Juniper Acx7024, Juniper Acx7024X, Juniper Acx7100.