Vulnerability Details : CVE-2021-21490
SAP NetWeaver AS for ABAP (Web Survey), versions - 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, does not sufficiently encode input and output parameters which results in reflected cross site scripting vulnerability, through which a malicious user can access data relating to the current session and use it to impersonate a user and access all information with the same rights as the target user.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-21490
- cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:730:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:710:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:711:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:75a:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_abap:75f:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21490
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21490
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
SAP SE | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-21490
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-21490
-
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
SAP Security Patch Day – June 2021 - Product Security Response at SAP - Community WikiVendor Advisory
-
https://launchpad.support.sap.com/#/notes/3004043
SAP ONE Support Launchpad: Log OnPermissions Required;Vendor Advisory
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