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CVE-2020-12812
CVE
Critical KEVConfirmedExploit available

An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to lo…

CVSS
9.8
Critical
EPSS
0.42
p97
Published
2020-01-01
Updated
2021-11-03
Description

An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.

Tags · CWE
KEVPre-auth
CWE-178
Affected products
FortiOS < 6.0.10FortiOS 6.2.0–6.2.4FortiOS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
2020-01-01
Published
2021-11-03
Added to KEV
2021-11-03
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.419 · p97
Known exploited (KEV)
Yes
Known exploits — Сканер-ВС
CVE-2020-12812
cisa · https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Enterprise
Affected software
ProductVendorStatus
fortios*Exploited
Source databases
CVE
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