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CVE-2021-3138
CVE
HighConfirmedExploit available

In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.

CVSS
7.5
High
EPSS
0.03
p86
Published
2021-01-01
Updated
2021-01-01
Description

In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.

Tags · CWE
Pre-auth
CWE-307
CAPEC-16
CAPEC-49
CAPEC-560
CAPEC-565
CAPEC-600
CAPEC-652
CAPEC-653
Affected products
Discourse ≤ 2.6.0Discourse
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Timeline
2021-01-01
Published
2021-01-01
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: N
None (N)
Availability Impact
A: N
None (N)
Exploit indicators
EPSS
0.027 · p86
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-560 · CWE-307
└ via CAPEC-49 · CWE-307
└ via CAPEC-565 · CWE-307
└ via CAPEC-600 · CWE-307
└ via CAPEC-652 · CWE-307
Known exploits — Сканер-ВС
CVE-2021-3138
github-poc · https://github.com/Mesh3l911/CVE-2021-3138
Enterprise
Affected software
ProductVendorStatus
discourse*Tracked
Source databases
CVE