CVE-2021-21476
CVE-2021-21476 is a medium-severity vulnerability in Sap Ui5 with a CVSS 3.x base score of 6.1. 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-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Sap Ui5
- Published:
- Last modified:
Description
SAP UI5 versions before 1.38.49, 1.52.49, 1.60.34, 1.71.31, 1.78.18, 1.84.5, 1.85.4, 1.86.1 allows an unauthenticated attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
Frequently asked questions
- What is CVE-2021-21476?
- SAP UI5 versions before 1.38.49, 1.52.49, 1.60.34, 1.71.31, 1.78.18, 1.84.5, 1.85.4, 1.86.1 allows an unauthenticated attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
- How severe is CVE-2021-21476?
- CVE-2021-21476 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-21476 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-21476?
- CVE-2021-21476 affects Sap Ui5. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-21476?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-21476 published?
- CVE-2021-21476 was published on 2021-02-09 and last updated on 2026-06-17.
References
- https://launchpad.support.sap.com/#/notes/3014303
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543
Affected products (1)
- cpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
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