CVE-2021-21475

CVE-2021-21475 is a high-severity vulnerability in Sap Netweaver Master Data Management Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Description

Under specific circumstances SAP Master Data Management, versions - 710, 710.750, allows an unauthorized attacker to exploit insufficient validation of path information provided by users, thus characters representing 'traverse to parent directory' are passed through to the file APIs. Due to this Directory Traversal vulnerability the attacker could read content of arbitrary files on the remote server and expose sensitive data.

Frequently asked questions

What is CVE-2021-21475?
Under specific circumstances SAP Master Data Management, versions - 710, 710.750, allows an unauthorized attacker to exploit insufficient validation of path information provided by users, thus characters representing 'traverse to parent directory' are passed through to the file APIs. Due to this Directory Traversal vulnerability the attacker could read content of arbitrary files on the remote server and expose sensitive data.
How severe is CVE-2021-21475?
CVE-2021-21475 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-21475 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21475?
CVE-2021-21475 primarily affects Sap Netweaver Master Data Management Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-21475?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-21475 published?
CVE-2021-21475 was published on 2021-02-09 and last updated on 2026-06-17.

References

Affected products (2)

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