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CVE-2024-21591

CRITICAL

9.8

Description

An Out-of-bounds Write vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS), or Remote Code Execution (RCE) and obtain root privileges on the device. This issue is caused by use of an insecure function allowing an attacker to overwrite arbitrary memory. This issue affects Juniper Networks Junos OS SRX Series and EX Series: * Junos OS versions earlier than 20.4R3-S9; * Junos OS 21.2 versions earlier than 21.2R3-S7; * Junos OS 21.3 versions earlier than 21.3R3-S5; * Junos OS 21.4 versions earlier than 21.4R3-S5; * Junos OS 22.1 versions earlier than 22.1R3-S4; * Junos OS 22.2 versions earlier than 22.2R3-S3; * Junos OS 22.3 versions earlier than 22.3R3-S2; * Junos OS 22.4 versions earlier than 22.4R2-S2, 22.4R3.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/12/2024

Last Modified5/5/2025

Sourcenvd

Honeypot Sightings0

Affected Products

juniper:junos

Weaknesses (CWE)

CWE-787CWE-787

References

https://curesec.com/blog/article/CVE-2024-21591_Juniper_Remote_Code_Exec.html(sirt@juniper.net)

https://supportportal.juniper.net/JSA75729(sirt@juniper.net)

https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N(sirt@juniper.net)

https://curesec.com/blog/article/CVE-2024-21591_Juniper_Remote_Code_Exec.html(af854a3a-2127-422b-91ae-364da2661108)

https://supportportal.juniper.net/JSA75729(af854a3a-2127-422b-91ae-364da2661108)

https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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