CVE-2021-45457

mediumpriority · track · 31OT risk · elevatedEPSS 0.024 · 84 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.38% (84th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-522US

affected products (8)

Products and version ranges known to be affected.

Apache Software Foundation Apache Kylin≤ Apache Kylin 2 ≤2.6.6enisa_euvdEU
Apache Software Foundation Apache Kylin≤ Apache Kylin 3 ≤3.1.2enisa_euvdEU
Apache Software Foundation Apache Kylin≤ Apache Kylin 4 ≤4.0.0enisa_euvdEU
apache kylin2.0.0 → 2.6.6nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin3.0.0 → 3.1.3nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
apache kylin= 4.0.0nvdUScpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*
Maven org.apache.kylin:kylin< 3.1.3osvUSpkg:maven/org.apache.kylin/kylin
Maven org.apache.kylin:kylin4.0.0 → 4.0.1osvUSpkg:maven/org.apache.kylin/kylin

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-mgpf-hhgf-cxg4In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin.2022-01-08ghsa · osvUS
In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2022-01-06modified 2026-06-17

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+5006 more

references (8)

External citations — patches, advisories, analysis.

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