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cve[email protected]CVE-2021-3424
HistoryJun 01, 2021 - 7:15 p.m.

CVE-2021-3424

2021-06-0119:15:00
NVD-CWE-Other
[email protected]
web.nvd.nist.gov
79
flaw
keycloak
idn homograph attacks
red hat single sign-on
cve-2021-3424
nvd

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

5.1 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

34.7%

JSON

A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.

VendorProductVersionCPE
redhatkeycloak*cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

Related

github 1
prion 1
veracode 1
osv 1
redhatcve 1
cvelist 1
nessus 3
redhat 4
github
github
Keycloak is vulnerable to IDN homograph attack
2022-04-28 21:00:21
prion
prion
Design/Logic Flaw
2021-06-01 19:15:00
veracode
veracode
User Impersonation
2021-05-21 13:47:56
osv
osv
Keycloak is vulnerable to IDN homograph attack
2022-04-28 21:00:21
redhatcve
redhatcve
CVE-2021-3424
2021-03-08 13:33:25
cvelist
cvelist
CVE-2021-3424
2021-06-01 18:43:33
nessus
nessus
RHEL 8 : Red Hat Single Sign-On 7.4.7 security update on RHEL 8 (Moderate) (RHSA-2021:2065)
2021-05-21 00:00:00
RHEL 6 : Red Hat Single Sign-On 7.4.7 security update on RHEL 6 (Moderate) (RHSA-2021:2063)
2021-05-20 00:00:00
RHEL 7 : Red Hat Single Sign-On 7.4.7 security update on RHEL 7 (Moderate) (RHSA-2021:2064)
2021-05-20 00:00:00
redhat
redhat
(RHSA-2021:2065) Moderate: Red Hat Single Sign-On 7.4.7 security update on RHEL 8
2021-05-20 12:31:33
(RHSA-2021:2063) Moderate: Red Hat Single Sign-On 7.4.7 security update on RHEL 6
2021-05-20 12:31:15
(RHSA-2021:2064) Moderate: Red Hat Single Sign-On 7.4.7 security update on RHEL 7
2021-05-20 12:31:24

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

5.1 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

34.7%

JSON
Related for CVE-2021-3424
github1prion1veracode1osv1redhatcve1cvelist1nessus3redhat4