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CVE-2023-36851

CWE-306

Medium

61.1

RPS

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 webauth_operation.php that doesn't require authentication, an attacker is able to upload and download arbitrary files via J-Web, leading to a loss of integrity or confidentiality, which may allow chaining to other vulnerabilities. This issue affects Juniper Networks Junos OS on SRX Series: * 21.2 versions prior to 21.2R3-S8; * 21.4 versions prior to 21.4R3-S6; * 22.1 versions prior to 22.1R3-S5; * 22.2 versions prior to 22.2R3-S3; * 22.3 versions prior to 22.3R3-S2; * 22.4 versions prior to 22,4R2-S2, 22.4R3; * 23.2 versions prior to 23.2R1-S2, 23.2R2.

Source: NVD

Signals

CVSS
5.3
Medium · v3.1
EPSS
1.12%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Nov 2023
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-306
Published
27 Sept 2023
Last modified 26 Feb 2026

How to read these signals: RPS · EPSS · CISA KEV · Data sources

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2023-36851 · RPS 61.1 · DevSecure Intelligence