Vulnerability Description
A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series and SRX Series allows an unauthenticated, network-based attacker to remotely execute code. Using a crafted request which sets the variable PHPRC an attacker is able to modify the PHP execution environment allowing the injection und execution of code. This issue affects Juniper Networks Junos OS on EX Series and SRX Series: * All versions prior to 20.4R3-S9; * 21.1 versions 21.1R1 and later; * 21.2 versions prior to 21.2R3-S7; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S5; * 22.1 versions prior to 22.1R3-S4; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R2-S2, 22.3R3-S1; * 22.4 versions prior to 22.4R2-S1, 22.4R3; * 23.2 versions prior to 23.2R1-S1, 23.2R2.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Juniper | Junos | < 20.4 |
| Juniper | Srx100 | - |
| Juniper | Srx110 | - |
| Juniper | Srx1400 | - |
| Juniper | Srx1500 | - |
| Juniper | Srx210 | - |
| Juniper | Srx220 | - |
| Juniper | Srx240 | - |
| Juniper | Srx240H2 | - |
| Juniper | Srx240M | - |
| Juniper | Srx300 | - |
| Juniper | Srx320 | - |
| Juniper | Srx340 | - |
| Juniper | Srx3400 | - |
| Juniper | Srx345 | - |
| Juniper | Srx3600 | - |
| Juniper | Srx380 | - |
| Juniper | Srx4000 | - |
| Juniper | Srx4100 | - |
| Juniper | Srx4200 | - |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-RemotExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/176969/Juniper-SRX-Firewall-EX-Switch-RemotExploitThird Party AdvisoryVDB Entry
- https://supportportal.juniper.net/JSA72300Vendor Advisory
- http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-RemotExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/176969/Juniper-SRX-Firewall-EX-Switch-RemotExploitThird Party AdvisoryVDB Entry
- https://supportportal.juniper.net/JSA72300Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-US Government Resource
FAQ
What is CVE-2023-36845?
CVE-2023-36845 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series and SRX Series allows an unauthenticated, network-based attacker to remotely execute code. Us...
How severe is CVE-2023-36845?
CVE-2023-36845 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-36845?
Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos, Juniper Srx100, Juniper Srx110, Juniper Srx1400, Juniper Srx1500.