CVE-2021-31406
Title: Vaadin Flow-Server and Fusion-Endpoint non-constant-time CSRF token comparison
CSRF
Proof Of Concept
No public PoC currently indexed for CVE-2021-31406.
CWE Category
CWE-203
Published Date
Apr 23, 2021
Modified Date
Nov 21, 2024
Exploit Status
Not Found
Score
4.0
CVSS v3.1
Exploit Probability (EPSS)
0.21%
Vulnerability Summary
CVE-2021-31406: Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.
CVSS v3.1
Source Entity
[email protected]
Severity
MEDIUM
4.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v3.1
Source Entity
[email protected]
Severity
LOW
2.5
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v2.0
Source Entity
[email protected]
Severity
LOW
1.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR
AV:L/AC:M/Au:N/C:P/I:N/A:N
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2021-31406 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Stack
No specific products linked.