What is the CVSS score of CVE-2021-33672?

CVE-2021-33672 has a CVSS 3.1 base score of 9.6 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 1.1%.

Contact Center CVE-2021-33672

CRITICAL

Improper Encoding or Escaping of Output (CWE-116)

2021-09-14 cna@sap.com

Information Disclosure SAP Contact Center

9.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.6 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 14, 2021 - 12:15 nvd

CRITICAL 9.6

DescriptionNVD

Due to missing encoding in SAP Contact Center's Communication Desktop component- version 700, an attacker could send malicious script in chat message. When the message is accepted by the chat recipient, the script gets executed in their scope. Due to the usage of ActiveX in the application, the attacker can further execute operating system level commands in the chat recipient's scope. This could lead to a complete compromise of their confidentiality, integrity, and could temporarily impact their availability.

AnalysisAI

Due to missing encoding in SAP Contact Center's Communication Desktop component- version 700, an attacker could send malicious script in chat message. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-116. Due to missing encoding in SAP Contact Center's Communication Desktop component- version 700, an attacker could send malicious script in chat message. When the message is accepted by the chat recipient, the script gets executed in their scope. Due to the usage of ActiveX in the application, the attacker can further execute operating system level commands in the chat recipient's scope. This could lead to a complete compromise of their confidentiality, integrity, and could temporarily impact their availability. Affected products include: Sap Contact Center. Version information: version 700.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.