Attacker Value
Unknown
(1 user assessed)
Exploitability
Unknown
(1 user assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Adjacent_network
1

CVE-2019-5591

Disclosure Date: August 14, 2020
Exploited in the Wild
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the LDAP server.

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2
Ratings
Technical Analysis

One of three vulnerabilities CISA and the FBI have warned are being exploited by APTs to gain initial access to government and other services. The other two vulnerabilities in the alert are CVE-2018-13379, a pre-authentication path traversal bug that has been actively and widely exploited for years now, and CVE-2020-12812 (an MFA bypass).

CVSS V3 Severity and Metrics
Base Score:
6.5 Medium
Impact Score:
3.6
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector (AV):
Adjacent_network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None

General Information

Vendors

  • Fortinet

Products

  • Fortinet FortiOS

Exploited in the Wild

Reported by:
Reported: April 05, 2021 2:11pm UTC (2 weeks ago)

Additional Info

Technical Analysis