Vulnerability identifier: #VU85302

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21607

CWE-ID: CWE-447

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Juniper Junos OS
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to unsupported feature in the ui error. A remote non-authenticated attacker can cause partial impact to the integrity of the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 20.4R1 - 20.4R3-S6, 21.1R1 - 21.1R3-S4, 21.2R1 - 21.2R3-S4, 21.3R1 - 21.3R3-S3, 21.4R1 - 21.4R3-S3, 22.1R1 - 22.1R3-S1, 22.2R1 - 22.2R3-S1, 22.3R1 - 22.3R2-S1, 22.4R1-S1

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External links
http://supportportal.juniper.net/s/article/2024-01-Security-Bulletin-Junos-OS-MX-Series-and-EX9200-Series-If-the-tcp-reset-option-used-in-an-IPv6-filter-matched-packets-are-accepted-instead-of-rejected-CVE-2024-21607

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.