Vulnerability Details : CVE-2021-21488
Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.
Products affected by CVE-2021-21488
- cpe:2.3:a:sap:netweaver_knowledge_management:7.01:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_knowledge_management:7.02:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_knowledge_management:7.30:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_knowledge_management:7.31:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_knowledge_management:7.40:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_knowledge_management:7.50:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21488
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21488
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
SAP SE | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-21488
-
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-21488
-
https://launchpad.support.sap.com/#/notes/2983436
SAP ONE Support Launchpad: Log OnPermissions Required;Vendor Advisory
-
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107
SAP Security Patch Day – March 2021 - Product Security Response at SAP - Community WikiVendor Advisory
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