Multiple vulnerabilities in SAP NetWeaver Enterprise Portal



Published: 2021-08-10
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2021-33705
CVE-2021-33703
CVE-2021-33702
CWE-ID CWE-918
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SAP NetWeaver Enterprise Portal
Web applications / CRM systems

Vendor SAP

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU55676

Risk: High

CVSSv3.1:

CVE-ID: CVE-2021-33705

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker 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 attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver Enterprise Portal: 7.10 - 7.50


CPE2.3 External links

http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806
http://launchpad.support.sap.com/#/notes/3074844

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Cross-site scripting

EUVDB-ID: #VU55675

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-33703

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

Exploit availability: No

Description

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 in Application Extensions feature. 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver Enterprise Portal: 7.30 - 7.50


CPE2.3 External links

http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806
http://launchpad.support.sap.com/#/notes/3072920

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Cross-site scripting

EUVDB-ID: #VU55674

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-33702

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

Exploit availability: No

Description

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. 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver Enterprise Portal: 7.10 - 7.50


CPE2.3 External links

http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806
http://launchpad.support.sap.com/#/notes/3073681

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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