CVE-2021-21481

Name: CVE-2021-21481
Creator: NVD / NIST
Published: 2021-03-09T15:15:14.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2021-21481 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The MigrationService, which is part of SAP NetWeaver versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not perform an authorization check. This might allow an unauthorized attacker to access configuration objects, including such that grant administrative privileges. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

The MigrationService, which is part of SAP NetWeaver versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not perform an authorization check. This might allow an unauthorized attacker to access configuration objects, including such that grant administrative privileges. This could result in complete compromise of system confidentiality, integrity, and availability.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.56%

42.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Sap	Netweaver	7.10
Sap	Netweaver	7.11
Sap	Netweaver	7.20
Sap	Netweaver	7.30
Sap	Netweaver	7.31
Sap	Netweaver	7.40
Sap	Netweaver	7.50

References

https://launchpad.support.sap.com/#/notes/3022422Permissions Required, Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107Vendor Advisory
https://launchpad.support.sap.com/#/notes/3022422Permissions Required, Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107Vendor Advisory

Timeline

Published: Mar 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21481?

How severe is CVE-2021-21481?

CVE-2021-21481 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21481?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21481?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST