SB2021081003 - Multiple vulnerabilities in SAP NetWeaver Development Infrastructure



SB2021081003 - Multiple vulnerabilities in SAP NetWeaver Development Infrastructure

Published: August 10, 2021

Security Bulletin ID SB2021081003
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2021-33691)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the Notification Service in SAP NetWeaver Development Infrastructure. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2021-33690)

The disclosed vulnerability allows a remote user to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in Component Build Service within SAP NetWeaver Development Infrastructure. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote user to compromise the affected system.


Remediation

Install update from vendor's website.