Medium severity · published Sep 5, 2018
CVE-2018-9192
A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without knowledge of the server's private key
5.9
CVSS
1.1%
EPSS
No
On KEV
Description
A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without knowledge of the server's private key. Fortinet FortiOS 5.4.6 to 5.4.9, 6.0.0 and 6.0.1 are vulnerable by such attack under SSL Deep Inspection feature when CPx being used.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
5.4.6 through 5.4.9; 6.0.0; 6.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-9192
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-9192
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-17-302
Third Party Advisory
https://robotattack.org/
Third Party Advisory
https://www.kb.cert.org/vuls/id/144389
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