Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
Summary
| CVE | CVE-2023-36847 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-08-17 20:15:00 UTC |
| Updated | 2023-09-27 15:18:00 UTC |
| Description | A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on EX Series 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. This issue affects Juniper Networks Junos OS on EX Series: * All versions prior to 20.4R3-S8; * 21.1 versions 21.1R1 and later; * 21.2 versions prior to 21.2R3-S6; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S1; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2-S1, 22.4R3. |
Risk And Classification
EPSS: 0.941200000 probability, percentile 0.999120000 (date 2026-04-22)
CISA KEV: Listed on 2023-11-13; due 2023-11-17; ransomware use Unknown
CISA Known Exploited Vulnerability
| Vendor | Juniper |
|---|---|
| Product | Junos OS |
| Name | Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability |
| 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-2023-36847 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Juniper | Ex2200 | - | All | All | All |
| Hardware | Juniper | Ex2200-c | - | All | All | All |
| Hardware | Juniper | Ex2200-vc | - | All | All | All |
| Hardware | Juniper | Ex2300 | - | All | All | All |
| Hardware | Juniper | Ex2300-24mp | - | All | All | All |
| Hardware | Juniper | Ex2300-24p | - | All | All | All |
| Hardware | Juniper | Ex2300-24t | - | All | All | All |
| Hardware | Juniper | Ex2300-48mp | - | All | All | All |
| Hardware | Juniper | Ex2300-48p | - | All | All | All |
| Hardware | Juniper | Ex2300-48t | - | All | All | All |
| Hardware | Juniper | Ex2300-c | - | All | All | All |
| Hardware | Juniper | Ex2300m | - | All | All | All |
| Hardware | Juniper | Ex3200 | - | All | All | All |
| Hardware | Juniper | Ex3300 | - | All | All | All |
| Hardware | Juniper | Ex3300-vc | - | All | All | All |
| Hardware | Juniper | Ex3400 | - | All | All | All |
| Hardware | Juniper | Ex4200 | - | All | All | All |
| Hardware | Juniper | Ex4200-vc | - | All | All | All |
| Hardware | Juniper | Ex4300 | - | All | All | All |
| Hardware | Juniper | Ex4300-24p | - | All | All | All |
| Hardware | Juniper | Ex4300-24p-s | - | All | All | All |
| Hardware | Juniper | Ex4300-24t | - | All | All | All |
| Hardware | Juniper | Ex4300-24t-s | - | All | All | All |
| Hardware | Juniper | Ex4300-32f | - | All | All | All |
| Hardware | Juniper | Ex4300-32f-dc | - | All | All | All |
| Hardware | Juniper | Ex4300-32f-s | - | All | All | All |
| Hardware | Juniper | Ex4300-48mp | - | All | All | All |
| Hardware | Juniper | Ex4300-48mp-s | - | All | All | All |
| Hardware | Juniper | Ex4300-48p | - | All | All | All |
| Hardware | Juniper | Ex4300-48p-s | - | All | All | All |
| Hardware | Juniper | Ex4300-48t | - | All | All | All |
| Hardware | Juniper | Ex4300-48t-afi | - | All | All | All |
| Hardware | Juniper | Ex4300-48t-dc | - | All | All | All |
| Hardware | Juniper | Ex4300-48t-dc-afi | - | All | All | All |
| Hardware | Juniper | Ex4300-48t-s | - | All | All | All |
| Hardware | Juniper | Ex4300-48tafi | - | All | All | All |
| Hardware | Juniper | Ex4300-48tdc | - | All | All | All |
| Hardware | Juniper | Ex4300-48tdc-afi | - | All | All | All |
| Hardware | Juniper | Ex4300-mp | - | All | All | All |
| Hardware | Juniper | Ex4300-vc | - | All | All | All |
| Hardware | Juniper | Ex4300m | - | All | All | All |
| Hardware | Juniper | Ex4400 | - | All | All | All |
| Hardware | Juniper | Ex4500 | - | All | All | All |
| Hardware | Juniper | Ex4500-vc | - | All | All | All |
| Hardware | Juniper | Ex4550 | - | All | All | All |
| Hardware | Juniper | Ex4550-vc | - | All | All | All |
| Hardware | Juniper | Ex4550/vc | - | All | All | All |
| Hardware | Juniper | Ex4600 | - | All | All | All |
| Hardware | Juniper | Ex4600-vc | - | All | All | All |
| Hardware | Juniper | Ex4650 | - | All | All | All |
| Hardware | Juniper | Ex6200 | - | All | All | All |
| Hardware | Juniper | Ex6210 | - | All | All | All |
| Hardware | Juniper | Ex8200 | - | All | All | All |
| Hardware | Juniper | Ex8200-vc | - | All | All | All |
| Hardware | Juniper | Ex8208 | - | All | All | All |
| Hardware | Juniper | Ex8216 | - | All | All | All |
| Hardware | Juniper | Ex9200 | - | All | All | All |
| Hardware | Juniper | Ex9204 | - | All | All | All |
| Hardware | Juniper | Ex9208 | - | All | All | All |
| Hardware | Juniper | Ex9214 | - | All | All | All |
| Hardware | Juniper | Ex9250 | - | All | All | All |
| Hardware | Juniper | Ex9251 | - | All | All | All |
| Hardware | Juniper | Ex9253 | - | All | All | All |
| Operating System | Juniper | Junos | All | All | All | All |
| Operating System | Juniper | Junos | 20.4 | - | All | All |
| Operating System | Juniper | Junos | 20.4 | r1 | All | All |
| Operating System | Juniper | Junos | 20.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 20.4 | r2 | All | All |
| Operating System | Juniper | Junos | 20.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 20.4 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3-s5 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3-s6 | All | All |
| Operating System | Juniper | Junos | 20.4 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 21.1 | r1 | All | All |
| Operating System | Juniper | Junos | 21.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 21.1 | r2 | All | All |
| Operating System | Juniper | Junos | 21.1 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 21.1 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 21.1 | r3 | All | All |
| Operating System | Juniper | Junos | 21.1 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 21.1 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 21.1 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 21.1 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 21.1 | r3-s5 | All | All |
| Operating System | Juniper | Junos | 21.2 | - | All | All |
| Operating System | Juniper | Junos | 21.2 | r1 | All | All |
| Operating System | Juniper | Junos | 21.2 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 21.2 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 21.2 | r2 | All | All |
| Operating System | Juniper | Junos | 21.2 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 21.2 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 21.2 | r3 | All | All |
| Operating System | Juniper | Junos | 21.2 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 21.2 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 21.2 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 21.2 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 21.2 | r3-s5 | All | All |
| Operating System | Juniper | Junos | 21.3 | - | All | All |
| Operating System | Juniper | Junos | 21.3 | r1 | All | All |
| Operating System | Juniper | Junos | 21.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 21.3 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 21.3 | r2 | All | All |
| Operating System | Juniper | Junos | 21.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 21.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 21.3 | r3 | All | All |
| Operating System | Juniper | Junos | 21.3 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 21.3 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 21.3 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 21.3 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 21.4 | - | All | All |
| Operating System | Juniper | Junos | 21.4 | r1 | All | All |
| Operating System | Juniper | Junos | 21.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 21.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 21.4 | r2 | All | All |
| Operating System | Juniper | Junos | 21.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 21.4 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 21.4 | r3 | All | All |
| Operating System | Juniper | Junos | 21.4 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 21.4 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 21.4 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 21.4 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 22.1 | r1 | All | All |
| Operating System | Juniper | Junos | 22.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 22.1 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 22.1 | r2 | All | All |
| Operating System | Juniper | Junos | 22.1 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 22.1 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 22.1 | r3 | All | All |
| Operating System | Juniper | Junos | 22.1 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 22.1 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 22.2 | r1 | All | All |
| Operating System | Juniper | Junos | 22.2 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 22.2 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 22.2 | r2 | All | All |
| Operating System | Juniper | Junos | 22.2 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 22.2 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 22.2 | r3 | All | All |
| Operating System | Juniper | Junos | 22.2 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 22.3 | r1 | All | All |
| Operating System | Juniper | Junos | 22.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 22.3 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 22.3 | r2 | All | All |
| Operating System | Juniper | Junos | 22.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 22.4 | r1 | All | All |
| Operating System | Juniper | Junos | 22.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 22.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 22.4 | r2 | All | All |
| Hardware | Juniper | Srx100 | - | All | All | All |
| Hardware | Juniper | Srx110 | - | All | All | All |
| Hardware | Juniper | Srx1400 | - | All | All | All |
| Hardware | Juniper | Srx1500 | - | All | All | All |
| Hardware | Juniper | Srx210 | - | All | All | All |
| Hardware | Juniper | Srx220 | - | All | All | All |
| Hardware | Juniper | Srx240 | - | All | All | All |
| Hardware | Juniper | Srx240h2 | - | All | All | All |
| Hardware | Juniper | Srx240m | - | All | All | All |
| Hardware | Juniper | Srx300 | - | All | All | All |
| Hardware | Juniper | Srx320 | - | All | All | All |
| Hardware | Juniper | Srx340 | - | All | All | All |
| Hardware | Juniper | Srx3400 | - | All | All | All |
| Hardware | Juniper | Srx345 | - | All | All | All |
| Hardware | Juniper | Srx3600 | - | All | All | All |
| Hardware | Juniper | Srx380 | - | All | All | All |
| Hardware | Juniper | Srx4000 | - | All | All | All |
| Hardware | Juniper | Srx4100 | - | All | All | All |
| Hardware | Juniper | Srx4200 | - | All | All | All |
| Hardware | Juniper | Srx4600 | - | All | All | All |
| Hardware | Juniper | Srx5000 | - | All | All | All |
| Hardware | Juniper | Srx5400 | - | All | All | All |
| Hardware | Juniper | Srx550 | - | All | All | All |
| Hardware | Juniper | Srx550m | - | All | All | All |
| Hardware | Juniper | Srx550 Hm | - | All | All | All |
| Hardware | Juniper | Srx5600 | - | All | All | All |
| Hardware | Juniper | Srx5800 | - | All | All | All |
| Hardware | Juniper | Srx650 | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| CEC Juniper Community | MISC | supportportal.juniper.net | |
| Juniper JunOS SRX / EX Remote Code Execution ≈ Packet Storm | MISC | packetstormsecurity.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.