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CVE-2020-15936

MEDIUMCVSS 4.5/10EPSS 0.63%

Last modified

CVE-2020-15936 is a medium-severity vulnerability rated 4.5/10 on the CVSS scale. 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.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.5/10

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

EPSS Probability
0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetFortios>= 5.6.0, <= 5.6.13
FortinetFortios>= 6.0.0, <= 6.0.11
FortinetFortios>= 6.2.0, <= 6.2.5
FortinetFortios>= 6.4.0, <= 6.4.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 sensitive information via SNI Client Hello TLS packets.
How severe is CVE-2020-15936?
CVE-2020-15936 has a CVSS score of 4.5/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15936?
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-2020-15936?

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

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Source: NVD / NIST