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[email protected]CVE-2021-42567

HistoryDec 07, 2021 - 10:15 p.m.

CVE-2021-42567

2021-12-0722:15:06

CWE-79

[email protected]

web.nvd.nist.gov

apereo

cas

6.4.1

xss

vulnerability

rest api

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.26 Low

EPSS

Percentile

96.7%

JSON

Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints.

Affected configurations

NVD

Node

apereocentral_authentication_serviceRange6.3.0–6.3.7.1

apereocentral_authentication_serviceRange6.4.0–6.4.2

CPENameOperatorVersion
apereo:central_authentication_serviceapereo central authentication servicelt6.3.7.1
apereo:central_authentication_serviceapereo central authentication servicelt6.4.2

CPE	Name	Operator	Version
apereo:central_authentication_service	apereo central authentication service	lt	6.3.7.1
apereo:central_authentication_service	apereo central authentication service	lt	6.4.2