Vulnerability identifier: #VU94352

Vulnerability risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-39565

CWE-ID: CWE-643

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 user to execute arbitrary code.

The vulnerability exists due to improper neutralization of data within xpath expressions. While an administrator is logged into a J-Web session or has previously logged in and subsequently logged out of their J-Web session, the attacker can arbitrarily execute commands on the target device with the other user's credentials.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 21.2R1 - 21.2R3-S6, 21.2R3-S7, 21.4R1 - 21.4R3-S5, 21.4R3-S6, 22.2R1 - 22.2R3-S2, 22.2R3-S3, 22.3R1 - 22.3R3-S1, 22.3R3-S2, 22.4R1 - 22.4R2-S2, 22.4R3-S1, 23.2R1 - 23.2R1-S1, 23.2R1-S2, 23.2R2-S1

---

External links
http://supportportal.juniper.net/s/article/2024-07-Security-Bulletin-Junos-OS-SRX-Series-EX-Series-J-Web-An-unauthenticated-network-based-attacker-can-perform-XPATH-injection-attack-against-a-device-CVE-2024-39565

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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