CVE-2021-3378
CriticalPublic exploitFortiLogger 4.4.2.2 is affected by Arbitrary File Upload by sending a "Content-Type: image/png" header to Config/SaveUploadedHotspotLogoFile and then visiting Assets/temp/hotspot/img/logohotspot.asp.
Published Feb 1, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2021-3378 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Fortilogger.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 98% probability of exploitation in the next 30 days.
- Fixed versions are available, including Fortilogger 5.2.0.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
98%
Higher than 99.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2021-3378 brief as a PDF
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Description
FortiLogger 4.4.2.2 is affected by Arbitrary File Upload by sending a "Content-Type: image/png" header to Config/SaveUploadedHotspotLogoFile and then visiting Assets/temp/hotspot/img/logohotspot.asp.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FortiloggerFortilogger | See advisory | 5.2.0 |
Patched Releases
Fortilogger
5.2.0
Timeline
Publicly disclosed
Feb 1, 2021
Last updated
Nov 21, 2024
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- exploithttp://packetstormsecurity.com/files/161601/FortiLogger-4.4.2.2-Arbitrary-File-Upload.html
- exploithttp://packetstormsecurity.com/files/161974/FortiLogger-Arbitrary-File-Upload.html
- exploithttps://github.com/erberkan/fortilogger_arbitrary_fileupload
- exploitMSF fortilogger_arbitrary_fileupload.rb
- exploitExploitDB-49600
FAQ
Common Questions.
FortiLogger 4.4.2.2 is affected by Arbitrary File Upload by sending a "Content-Type: image/png" header to Config/SaveUploadedHotspotLogoFile and then visiting Assets/temp/hotspot/img/logohotspot.asp.
Affected: Fortilogger. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Fortilogger 5.2.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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