⚠ 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-2023-36847 — Missing Authentication for Critical Function in Networks Junos OS
Severity
5.3MEDIUMNVD
EPSS
94.1%
top 0.09%
CISA KEV
KEV
Added 2023-11-13
Due 2023-11-17
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedAug 17
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 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 Juni…
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
3CVEList▶
Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files↗2023-08-17
GHSA▶
GHSA-c38p-r7xc-grgp: A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attack↗2023-08-17
VulnCheck
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💥Exploits & PoCs
1Nuclei▶
Juniper Devices - Remote Code Execution