PT-2021-14557 · Sap · Sap Netweaver Application Server Java

Published 2021-03-10 · Updated 2021-03-17 · CVE-2021-21491

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00 through 7.50

Description The issue allows an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities. This can potentially affect a large number of devices worldwide, although the exact number is not specified.

Recommendations For SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00 through 7.50, update to a version that includes the fix for the Reverse Tabnabbing vulnerability. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

CVE-2021-21491

Affected Products

Sap Netweaver Application Server Java

References · 5

• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107 · Vendor Advisory
• https://launchpad.support.sap.com/#/notes/2976947 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21491 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21491 · Security Note
• https://t.me/cibsecurity/24695 · Telegram Post