CVE-2023-36851 — Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
Severity: Critical · Kind: Vulnerability
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From the source
Juniper Junos OS. Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that 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 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. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability facts
- CVE
- CVE-2023-36851
- On CISA KEV since
- 2023-11-13
- Ransomware use
- Unknown
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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.