CVE-2023-42781

Name: CVE-2023-42781
Creator: NVD / NIST
Published: 2023-11-12T14:15:25.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.66%

Last modified Jun 17, 2026

CVE-2023-42781 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Apache Airflow, versions before 2.7.3, has a vulnerability that allows an authorized user who has access to read specific DAGs only, to read information about task instances in other DAGs. This is a different issue than CVE-2023-42663 but leading to similar outcome. Users of Apache Airflow are advised to upgrade to version 2.7.3 or newer to mitigate the risk associated with this vulnerability.. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

Apache Airflow, versions before 2.7.3, has a vulnerability that allows an authorized user who has access to read specific DAGs only, to read information about task instances in other DAGs. This is a different issue than CVE-2023-42663 but leading to similar outcome. Users of Apache Airflow are advised to upgrade to version 2.7.3 or newer to mitigate the risk associated with this vulnerability.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.66%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Apache	Airflow	< 2.7.3

References

http://www.openwall.com/lists/oss-security/2023/11/12/2Mailing List, Third Party Advisory
https://github.com/apache/airflow/pull/34939Patch
https://lists.apache.org/thread/7dnl8nszdxqyns57f3dw0sloy5dfl9o1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/12/2Mailing List, Third Party Advisory
https://github.com/apache/airflow/pull/34939Patch
https://lists.apache.org/thread/7dnl8nszdxqyns57f3dw0sloy5dfl9o1Mailing List, Third Party Advisory

Timeline

Published: Nov 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42781?

How severe is CVE-2023-42781?

CVE-2023-42781 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42781?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-42781?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST