No exploitation reportedFix available

CVE-2020-13944

Q: What is CVE-2020-13944?

In Apache Airflow < 1.10.12, the "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit.

Q: Is CVE-2020-13944 actively exploited?

Active exploitation of CVE-2020-13944 has not been confirmed. Its EPSS score was 25.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-13944?

CVE-2020-13944 has a CVSS v3 base score of 6.1 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

No exploitation reported by the sources we read.

Published2020-09-17
Fixed in2.0.2 · 1.10.15
WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In Apache Airflow < 1.10.12, the "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit.

Timeline

dates in UTC

2020-09-1714:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-13944?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-13944?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Apache airflow

Branch	Affected	Fixed in	Source
2.0	≥ 2.0.0, < 2.0.2	2.0.2	NVD · OSV
1.10	< 1.10.15	1.10.15	NVD · OSV

apache-airflow

Branch	Affected	Fixed in	Source
1.10	< 1.10.12	1.10.12	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apache airflow to 2.0.2 · 1.10.15

Advisories and patches

lists.apache.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.16.1read 2026-10-23
NVDCVSS 2.04.3read 2026-10-23
NVDweakness (CWE)CWE-79read 2026-10-23
FIRST EPSSEPSS score25.1 %read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published: 2020-09-17
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-13944?

In Apache Airflow < 1.10.12, the "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit.

Is CVE-2020-13944 actively exploited?

Active exploitation of CVE-2020-13944 has not been confirmed. Its EPSS score was 25.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13944?

CVE-2020-13944 has a CVSS v3 base score of 6.1 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

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