High severity · published Nov 27, 2019
CVE-2019-15705
An Improper Input Validation vulnerability in the SSL VPN portal of FortiOS versions 6.2.1 and below, and 6.0.6 and below may allow an unauthenticated remote attacker to crash the…
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
An Improper Input Validation vulnerability in the SSL VPN portal of FortiOS versions 6.2.1 and below, and 6.0.6 and below may allow an unauthenticated remote attacker to crash the SSL VPN service by sending a crafted POST request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
through 6.0.6; 6.2.0 through 6.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15705
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15705
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-19-236
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