Medium severity · published Mar 1, 2022
CVE-2020-15936
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.13 and below allows attacker to disclose…
4.5
CVSS
0.7%
EPSS
No
On KEV
Description
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.13 and below allows attacker to disclose sensitive information via SNI Client Hello TLS packets.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
5.6.0 through 5.6.13; 6.0.0 through 6.0.11; 6.2.0 through 6.2.5; 6.4.0 through 6.4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15936
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15936
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-091
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