5.9med

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 know…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.1%
percentile 66%
Public exploits
0
none known

Summary

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.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction (EPSS)

1.12% probability of exploitation in the next 30 days, higher than 66% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Fortinet, Inc. FortiOS

Classification

Weakness
Technology feeds
Fortinet (RSS, critical only)

References

  • robotattack.org / · x_refsource_MISC, x_transferred
  • fortiguard.com /advisory/FG-IR-17-302 · x_refsource_CONFIRM, x_transferred
  • kb.cert.org /vuls/id/144389 · third-party-advisory, x_refsource_CERT-VN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.