THREATPORT/VULNERABILITY/CVE-2020-17526
HIGH SEVERITY

CVE-2020-17526

Airflow vulnerability

CVSS
7.7
EPSS
23.3%
EPSS pct
98th
Exploited
No known
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.
Affected vendor
Apache
Affected product
Airflow
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Published
2020-12-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 23.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2020-17526

  • Confirm whether Apache Airflow is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-17526.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-17526

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-17526 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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