Security Bulletin: IBM API Connect is impacted by a vulnerability in Drupal CKEditor (CVE-2021-33829)

2021-08-2517:32:28

www.ibm.com

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

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

64.1%

JSON

Summary

IBM API Connect has addressed the following vulnerability.

Vulnerability Details

CVEID:CVE-2021-33829
**DESCRIPTION:**CKEditor is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
CVSS Base score: 7.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203802 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N)

**Third Party Entry:**203855
**DESCRIPTION:**CKEditor is vulnerable to server-side request forgery, caused by a flaw in the uploadtest.html. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to obtain sensitive data.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203855 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)