CVE-2024-39553

MEDIUM EPSS 31.6%

Published Jul 11, 20241y ago · Modified Jun 17, 20262w ago

6.9 CVSS 4.0

Medium

Published Jul 11, 2024 1y ago

Last Modified Jun 17, 2026 2w ago

Description

An Exposure of Resource to Wrong Sphere vulnerability in the sampling service of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to send arbitrary data to the device, which leads msvcsd process to crash with limited availability impacting Denial of Service (DoS) and allows unauthorized network access to the device, potentially impacting system integrity. This issue only happens when inline jflow is configured. This does not impact any forwarding traffic. The impacted services MSVCS-DB app crashes momentarily and recovers by itself. This issue affects Juniper Networks Junos OS Evolved: * 21.4 versions earlier than 21.4R3-S7-EVO; * 22.2 versions earlier than 22.2R3-S3-EVO; * 22.3 versions earlier than 22.3R3-S2-EVO; * 22.4 versions earlier than 22.4R3-EVO; * 23.2 versions earlier than 23.2R1-S2-EVO, 23.2R2-EVO.

CVSS Details

Base Score

6.9

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:A/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

31.6% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-668

Affected Products 44

Vendor	Product	Version	Range
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	21.4	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.2	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.3	any
juniper	junos_os_evolved	22.4	any
juniper	junos_os_evolved	22.4	any
juniper	junos_os_evolved	22.4	any
juniper	junos_os_evolved	22.4	any
juniper	junos_os_evolved	22.4	any
juniper	junos_os_evolved	22.4	any
juniper	junos_os_evolved	22.4	any
juniper	junos_os_evolved	23.2	any
juniper	junos_os_evolved	23.2	any
juniper	junos_os_evolved	23.2	any
juniper	junos_os_evolved	23.2	any

References 1

supportportal.juniper.net https://supportportal.juniper.net/JSA79101

ExploitVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.