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CVE-2024-39546

HIGHCVSS 7/10EPSS 0.18%

Last modified

CVE-2024-39546 is a high-severity vulnerability rated 7/10 on the CVSS scale. A Missing Authorization vulnerability in the Socket Intercept (SI) command file interface of Juniper Networks Junos OS Evolved allows an authenticated, low-privilege local attacker to modify certain files, allowing the attacker to cause any command to execute with root privileges leading to privilege escalation ultimately compromising the system.  This issue affects Junos OS Evolved:  * All versions prior to 21.2R3-S8-EVO,  * 21.4 versions prior to  21.4R3-S6-EVO,  * 22.1 versions prior to 22.1R3-S5-EVO,  * 22.2 versions prior to 22.2R3-S3-EVO,  * 22.3 versions prior to 22.3R3-S3-EVO,  * 22.4 versions prior to 22.4R3-EVO,  * 23.2 versions prior to 23.2R2-EVO.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A Missing Authorization vulnerability in the Socket Intercept (SI) command file interface of Juniper Networks Junos OS Evolved allows an authenticated, low-privilege local attacker to modify certain files, allowing the attacker to cause any command to execute with root privileges leading to privilege escalation ultimately compromising the system.  This issue affects Junos OS Evolved:  * All versions prior to 21.2R3-S8-EVO,  * 21.4 versions prior to  21.4R3-S6-EVO,  * 22.1 versions prior to 22.1R3-S5-EVO,  * 22.2 versions prior to 22.2R3-S3-EVO,  * 22.3 versions prior to 22.3R3-S3-EVO,  * 22.4 versions prior to 22.4R3-EVO,  * 23.2 versions prior to 23.2R2-EVO.

Metrics

CVSS 3.1
7.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS 4.0
7/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:X/V:X/RE:X/U:X

EPSS Probability
0.18%

8.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
JuniperJunos Os Evolved18.3R1
JuniperJunos Os Evolved19.1R1
JuniperJunos Os Evolved19.2R1
JuniperJunos Os Evolved19.3R1
JuniperJunos Os Evolved19.4R1
JuniperJunos Os Evolved20.1—
JuniperJunos Os Evolved20.2—
JuniperJunos Os Evolved20.3—
JuniperJunos Os Evolved20.4—
JuniperJunos Os Evolved21.1—
JuniperJunos Os Evolved21.2—
JuniperJunos Os Evolved21.4—
JuniperJunos Os Evolved22.1—
JuniperJunos Os Evolved22.2—
JuniperJunos Os Evolved22.3—
JuniperJunos Os Evolved22.4—
JuniperJunos Os Evolved23.2—

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-39546?
A Missing Authorization vulnerability in the Socket Intercept (SI) command file interface of Juniper Networks Junos OS Evolved allows an authenticated, low-privilege local attacker to modify certain files, allowing the attacker to cause any command to execute with root privileges leading to privilege escalation ultimately compromising the system.  This issue affects Junos OS Evolved:  * All versions prior to 21.2R3-S8-EVO,  * 21.4 versions prior to  21.4R3-S6-EVO,  * 22.1 versions prior to 22.1R3-S5-EVO,  * 22.2 versions prior to 22.2R3-S3-EVO,  * 22.3 versions prior to 22.3R3-S3-EVO,  * 22.4 versions prior to 22.4R3-EVO,  * 23.2 versions prior to 23.2R2-EVO.
How severe is CVE-2024-39546?
CVE-2024-39546 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2024-39546?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-39546?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST