synced 12 MIN AGO
01 Record

CVE-2020-17526

Incorrect Session Validation in Apache Airflow Webserver versions prior to 1.10.14 with default config allows a malicious airflow user on site A where they log in normally, to access unauthorized

UnratedPUBLISHEDCNA: apache
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

Incorrect Session Validation in Apache Airflow Webserver versions prior to 1.10.14 with default config allows a malicious airflow user on site A where they log in normally, to access unauthorized

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
23.86% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.8% of scored records. A rank, not a probability.
NVD base score
7.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/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
2020-12-21 16:45Z5 YR AGO
Last updated
2025-02-13 16:27Z1 YR AGO
Reserved
2020-08-12
Assigning CNA
apache
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
f33a82f899b6b3a9b0fc4869c915d6ff805b694e256da43c11c65e245c25c6bd

05 Affected products

VendorProductVersionsPlatforms
Apache Software FoundationApache AirflowApache Airflow to < 1.10.14—

06 References