⚠ Actively exploited
Added to CISA KEV on 2023-11-13. Federal agencies required to patch by 2023-11-17. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable..
CVE-2023-36851 — Missing Authentication for Critical Function in Networks Junos OS
Severity
5.3MEDIUMNVD
EPSS
15.3%
top 5.36%
CISA KEV
KEV
Added 2023-11-13
Due 2023-11-17
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedSep 27
KEV addedNov 13
KEV dueNov 17
CISA Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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 …
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4
Affected Packages2 packages
🔴Vulnerability Details
3GHSA▶
GHSA-792v-3cgw-26xq: A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attac↗2023-09-27
CVEList▶
Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files↗2023-09-26
VulnCheck
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