CVE-2020-15936
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2020-15936- CVSS 3.1
- 2.6 Low
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X - Updated
- 2026-11-02
EUVDEUVD-2020-7907
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.
- Record
EUVD-2020-7907- CVSS 3.1
- 2.6 Low
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-57m7-2g72-pv8m
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and...
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.
- Record
GHSA-57m7-2g72-pv8m- CVSS 3.1
- 4.5 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-15936- CVSS 3.1
- 2.6 Low
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N - CVSS 3.1
- 4.5 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15936 is a low vulnerability (CVSS 2.6) in Fortinet Fortios, published March 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.