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CVE-2020-17526

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Date: December 21, 2020

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 Airflow Webserver on Site B through the session from Site A. This does not affect users who have changed the default value for "[webserver] secret_key" config.

Language: Python

Severity Score

Related Resources (16)

https://github.com/apache/airflow/commit/6b065840323f9a4fc8e372b458d26e419e4fa99b
https://github.com/apache/airflow
https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352%40%3Cannounce.apache.org%3E
https://nvd.nist.gov/vuln/detail/CVE-2020-17526
https://lists.apache.org/thread.html/rbeeb73a6c741f2f9200d83b9c2220610da314810c4e8c9cf881d47ef%40%3Cusers.airflow.apache.org%3E
http://www.openwall.com/lists/oss-security/2020/12/21/1
https://github.com/apache/airflow/commit/dfa7b26ddaca80ee8fd9915ee9f6eac50fac77f6
https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2020-22.yaml
https://github.com/apache/airflow/commit/2f3b1c780472afd4c8a93633e6633feb7083792e
https://github.com/apache/airflow/commit/a8900fa5f2b8963e9f57ba4ae5520a5d339aeaad
https://github.com/advisories/GHSA-7mx5-x372-xh87
https://github.com/apache/airflow/commit/97b2735d65e95c4633966667b6db3908540f3937
https://github.com/apache/airflow/commit/9e01476a50b9be27c4b1e6c6e24d36f290629195
https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352@%3Cannounce.apache.org%3E
https://github.com/apache/airflow/commit/fe6d00a54f83468e296777d3b83b65a2ae7169ec
https://www.mend.io/vulnerability-database/CVE-2020-17526

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Improper Privilege Management

CWE-269

Top Fix

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Upgrade Version

Upgrade to version apache-airflow - 1.10.14

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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