CVE-2021-21489

Severity Score

4.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

SAP NetWeaver Enterprise Portal versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently encode user related data, resulting in Stored Cross-Site Scripting (XSS) vulnerability. This would allow an attacker with administrative privileges to store a malicious script on the portal. The execution of the script content by a victim registered on the portal could compromise the confidentiality and integrity of portal content.

SAP NetWeaver Enterprise Portal versiones - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, no codifican suficientemente los datos relacionados con el usuario, resultando en una vulnerabilidad de tipo Cross-Site Scripting (XSS) Almacenado. Esto permitiría a un atacante con privilegios administrativos almacenar un script malicioso en el portal. La ejecución del contenido del script por una víctima registrada en el portal podría comprometer la confidencialidad e integridad del contenido del portal

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-30 CVE Reserved
2021-09-14 CVE Published
2023-04-07 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405	2021-09-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Sap Search vendor "Sap"		Netweaver Enterprise Portal Search vendor "Sap" for product "Netweaver Enterprise Portal"				7.10 Search vendor "Sap" for product "Netweaver Enterprise Portal" and version "7.10"		-		Affected
Sap Search vendor "Sap"		Netweaver Enterprise Portal Search vendor "Sap" for product "Netweaver Enterprise Portal"				7.11 Search vendor "Sap" for product "Netweaver Enterprise Portal" and version "7.11"		-		Affected
Sap Search vendor "Sap"		Netweaver Enterprise Portal Search vendor "Sap" for product "Netweaver Enterprise Portal"				7.20 Search vendor "Sap" for product "Netweaver Enterprise Portal" and version "7.20"		-		Affected
Sap Search vendor "Sap"		Netweaver Enterprise Portal Search vendor "Sap" for product "Netweaver Enterprise Portal"				7.30 Search vendor "Sap" for product "Netweaver Enterprise Portal" and version "7.30"		-		Affected
Sap Search vendor "Sap"		Netweaver Enterprise Portal Search vendor "Sap" for product "Netweaver Enterprise Portal"				7.31 Search vendor "Sap" for product "Netweaver Enterprise Portal" and version "7.31"		-		Affected
Sap Search vendor "Sap"		Netweaver Enterprise Portal Search vendor "Sap" for product "Netweaver Enterprise Portal"				7.40 Search vendor "Sap" for product "Netweaver Enterprise Portal" and version "7.40"		-		Affected
Sap Search vendor "Sap"		Netweaver Enterprise Portal Search vendor "Sap" for product "Netweaver Enterprise Portal"				7.50 Search vendor "Sap" for product "Netweaver Enterprise Portal" and version "7.50"		-		Affected