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Fencer Intel
medium 6.1

CVE-2020-17515 json

Apache Airflow cross-site scripting due to incomplete fix for CVE-2020-13944

published 5y ago modified 2mo ago also BIT-airflow-2020-17515 , EUVD-2020-0040 , GHSA-86vp-x3pr-79rx , PYSEC-2020-21

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.2%
EPSS 16.2% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions prior to 1.10.13. This is same as CVE-2020-13944 but the implemented fix in Airflow 1.10.13 did not fix the issue completely.

Patch / fix

  • pypi apache-airflow 1.10.13, 1.10.15rc1, 2.0.2rc1
  • bitnami airflow 1.10.15, 2.0.2
  • Apache Software Foundation Apache Airflow 1.10.13

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Exploit prediction

16.21% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
OSV 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi apache-airflow
<1.10.15rc1
>=2.0.0b1, <2.0.2rc1
<1.10.13
1.10.15rc1
2.0.2rc1
1.10.13
bitnami airflow
<1.10.15
>=2.0.0, <2.0.2
1.10.15
2.0.2

Affected products

  • Apache Software Foundation Apache Airflow

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.