CVE-2021-21488
Last modified
CVE-2021-21488 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sap | Netweaver Knowledge Management | 7.01 |
| Sap | Netweaver Knowledge Management | 7.02 |
| Sap | Netweaver Knowledge Management | 7.30 |
| Sap | Netweaver Knowledge Management | 7.31 |
| Sap | Netweaver Knowledge Management | 7.40 |
| Sap | Netweaver Knowledge Management | 7.50 |
References
- https://launchpad.support.sap.com/#/notes/2983436Permissions Required, Vendor Advisory
- https://launchpad.support.sap.com/#/notes/2983436Permissions Required, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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