CVE-2023-36847 - Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
CVE-2023-36847
Juniper | Junos OS
- Date Added:
- 2023-11-13
- Due Date:
- 2023-11-17
- Vulnerability Name
Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
- Description
Juniper Junos OS on EX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to installAppPackage.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
- Known To Be Used in Ransomware Campaigns?
Unknown
- Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Additional Notes
- https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2023-36847
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