CVE-2021-21476

mediumpriority · track · 24EPSS 0.008 · 57 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.82% (57th) EPSS

CVSS 5.8 · medium

Is it mine?

16 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.04.7mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:Nsecondary · ENISA EU

v3.04.7mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:Nsecondary · cna@sap.comexploitability 2.8 · impact 1.4

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USprimary

affected products (16)

Products and version ranges known to be affected.

SAP SE SAP UI5≤ < 1.71.31enisa_euvdEU
SAP SE SAP UI5≤ < 1.84.5enisa_euvdEU
SAP SE SAP UI5≤ < 1.38.49enisa_euvdEU
SAP SE SAP UI5≤ < 1.85.4enisa_euvdEU
SAP SE SAP UI5≤ < 1.60.34enisa_euvdEU
SAP SE SAP UI5≤ < 1.78.18enisa_euvdEU
SAP SE SAP UI5≤ < 1.86.1enisa_euvdEU
SAP SE SAP UI5≤ < 1.52.49enisa_euvdEU
sap ui5< 1.38.49nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
sap ui51.50.5 → 1.52.49nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
sap ui51.60.1 → 1.60.34nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
sap ui51.71.0 → 1.71.31nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
sap ui51.78.0 → 1.78.18nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
sap ui51.84.0 → 1.84.5nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
sap ui51.85.0 → 1.85.4nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*
sap ui51.86.0 → 1.86.1nvdUScpe:2.3:a:sap:ui5:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-02-09modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

scry

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