CVE-2018-9195

MEDIUMCVSS 5.9/10EPSS 1.77%

Last modified

CVE-2018-9195 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
1.77%

75.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetForticlient<= 6.0.6
FortinetForticlient<= 6.2.1
FortinetFortios<= 6.0.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-9195?
Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.
How severe is CVE-2018-9195?
CVE-2018-9195 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2018-9195?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-9195?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST