Netweaver Enterprise Portal
CVE-2021-21489
MEDIUM
Severity by source
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Sap Netweaver Enterprise Portal.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
More in Netweaver Enterprise Portal
View allIn SAP NetWeaver Enterprise Portal - version 7.50, an unauthenticated attacker can attach to an open interface and make
SAP NetWeaver Enterprise Portal (KMC) - version 7.50, does not sufficiently encode user-controlled inputs, resulting in
A vulnerability in SAP NW EP (WPC) - versions 7.30, 7.31, 7.40, 7.50, which does not sufficiently validate user-controll
SAP NetWeaver Enterprise Portal - versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently encode user-c
SAP NetWeaver Enterprise Portal - versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently encode user-c
SAP NetWeaver Enterprise Portal does - versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, not sufficiently encode user-c
SAP NetWeaver Enterprise Portal - versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, is susceptible to script execution
SAP NetWeaver Enterprise Portal - versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, is susceptible to script execution
SAP NetWeaver Enterprise Portal - versions 7.30, 7.31, 7.40, 7.50, does not sufficiently encode user-controlled inputs,
SAP NetWeaver Enterprise Portal - versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently encode user-c
Under certain conditions, NetWeaver Enterprise Portal, versions - 7.30, 7.31, 7.40, 7.50, does not sufficiently encode U
Under certain conditions, NetWeaver Enterprise Portal, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not suf
Same weakness CWE-79 – Cross-site Scripting (XSS)
View allShare
External POC / Exploit Code
Leaving vuln.today