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01 Record

CVE-2021-26697

Apache Airflow: Lineage API endpoint for Experimental API missed authentication check

UnratedPUBLISHEDCNA: apache
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

Apache Airflow: Lineage API endpoint for Experimental API missed authentication check

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.55% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 91.2% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-02-17 14:15Z5 YR AGO
Last updated
2025-02-13 16:27Z1 YR AGO
Reserved
2021-02-04
Assigning CNA
apache
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-269Improper Privilege ManagementClass
  • CWE-306Missing Authentication for Critical FunctionBase
Data version
5.1
Document digest
3f7225849317c8ced2f9b3fcdbbaa675a206bde686df3c8258a0cc07592775cb

05 Affected products

VendorProductVersionsPlatforms
Apache Software FoundationApache AirflowApache Airflow 2.0.0—

06 References