No exploitation reportedFix available

CVE-2023-39553

Q: Is CVE-2023-39553 actively exploited?

Active exploitation of CVE-2023-39553 has not been confirmed. Its EPSS score was 2.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-39553?

CVE-2023-39553 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2023-08-11
Fixed in2.4.3
WeaknessCWE-20

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

Improper Input Validation vulnerability in Apache Software Foundation Apache Airflow Drill Provider. Apache Airflow Drill Provider is affected by a vulnerability that allows an attacker to pass in malicious parameters when establishing a connection with DrillHook giving an opportunity to read files on the Airflow server. This issue affects Apache Airflow Drill Provider: before 2.4.3. It is recommended to upgrade to a version that is not affected.

Timeline

dates in UTC

2023-08-1108:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2023-39553?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-39553?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP

Apache apache-airflow-providers-apache-drill

Branch	Affected	Fixed in	Source
2.4	< 2.4.3	2.4.3	NVD · CISA-ADP

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

Fix

Update Apache apache-airflow-providers-apache-drill to 2.4.3

Advisories and patches

www.openwall.comPatch
github.comPatch
lists.apache.orgPatch · Vendor Advisory

Detection

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

Sources

CISA-ADPSSVC decisionnone2024-10-01
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.52024-10-01
NVDCVSS 3.17.5read 2026-10-23
CNAweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score2.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2023-08-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-39553?

Is CVE-2023-39553 actively exploited?

Active exploitation of CVE-2023-39553 has not been confirmed. Its EPSS score was 2.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-39553?

CVE-2023-39553 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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