CVE-2023-36844
Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
CVSS
—
No CVSS
EPSS
90.0%
p100
KEV
YES
Nov 13, 2023
Exploit Today
80
0-100
Published: — · Last modified: —
Product
Juniper / Junos OS
Vulnerability
Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
Added to KEV
Nov 13, 2023
Remediate by
Nov 17, 2023
Known ransomware use
No
Summary description
Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables, leading to partial loss of integrity, which may allow chaining to other vulnerabilities.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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-2023-36844