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cve[email protected]CVE-2020-15938
HistoryMar 04, 2021 - 6:15 p.m.

CVE-2020-15938

2021-03-0418:15:12
web.nvd.nist.gov
27
4
fortigate
cve-2020-15938
vulnerability
nvd
security
http/s
ssh
transparent proxy
port 80
port 443
validation

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

36.1%

When traffic other than HTTP/S (eg: SSH traffic, etc…) traverses the FortiGate in version below 6.2.5 and below 6.4.2 on port 80/443, it is not redirected to the transparent proxy policy for processing, as it doesn’t have a valid HTTP header.

Affected configurations

NVD
Node
fortinetfortiosRange6.2.5
OR
fortinetfortiosRange6.4.06.4.2

CNA Affected

[
  {
    "product": "Fortinet FortiOS",
    "vendor": "Fortinet",
    "versions": [
      {
        "status": "affected",
        "version": "FortiOS 6.4.2, 6.2.5"
      }
    ]
  }
]

Social References

More

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

36.1%

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