Vulnerability · Published Feb 1, 2021 · Assigned by mitre
CVE-2021-3378
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 97.5% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)97.5%top 0.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling3Metasploit, Nuclei, Public PoC
Official 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.