CVE-2023-36846— Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files
Quick assessment
Affected
Juniper Networks Junos OS
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS SRX存在访问控制错误漏洞，该漏洞源于关键功能缺失身份验证。
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 3 AI
T1105 · Ingress Tool Transfer T1530 · Data from Cloud Storage T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-36846
Vulnerability Information
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Vulnerability Title
Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files
Source: CVE Program / CVE List V5
Vulnerability Description
A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.
With a specific request to user.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 SRX 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-S5;
* 22.1 versions
prior to
22.1R3-S3;
* 22.2 versions
prior to
22.2R3-S2;
* 22.3 versions
prior to
22.3R2-S2, 22.3R3;
* 22.4 versions
prior to
22.4R2-S1, 22.4R3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS SRX 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS SRX存在访问控制错误漏洞，该漏洞源于关键功能缺失身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Juniper Networks | Junos OS | 0 ~ 20.4R3-S8 | - |
|
II. Public POCs for CVE-2023-36846
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Remote Code Execution on Junos OS CVE-2023-36846 | https://github.com/Chocapikk/CVE-2023-36846 | POC Details |
| 2 | 批量检测CVE-2023-36846漏洞 | https://github.com/Dreamy-elfland/CVE-2023-36846 | POC Details |
AI-Generated POC
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Other References for CVE-2023-36846 (1)
Same Patch Batch · Juniper Networks · 2023-08-17 · 4 CVEs total
| CVE-2023-36845 | 9.8 CRITICAL | Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to con |
| CVE-2023-36844 | 5.3 MEDIUM | Junos OS: EX Series: A PHP vulnerability in J-Web allows an unauthenticated attacker to co |
| CVE-2023-36847 | 5.3 MEDIUM | Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload |
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V. Comments for CVE-2023-36846
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