What is the CVSS score of CVE-2024-42447?

CVE-2024-42447 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2024-42447?

Yes, a patch is available for CVE-2024-42447. Update the affected software to the latest version immediately.

Apache Airflow Providers Fab CVE-2024-42447

CRITICAL

Insufficient Session Expiration (CWE-613)

2024-08-05 security@apache.org

Apache Information Disclosure Apache Airflow Providers Fab

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-613 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V7 - Session Management Session expiration enforcement
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

Patch available 0.9% exploitation probability (EPSS)

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AnalysisAI

Insufficient Session Expiration vulnerability in Apache Airflow Providers FAB.2.1 (when used with Apache Airflow 2.9.3) and FAB 1.2.0 for all Airflow versions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

pypi apache-airflow no fix

pypi apache-airflow-providers-fab fix: 1.2.2

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-613. Insufficient Session Expiration vulnerability in Apache Airflow Providers FAB.2.1 (when used with Apache Airflow 2.9.3) and FAB 1.2.0 for all Airflow versions. The FAB provider prevented the user from logging out. * FAB provider 1.2.1 only affected Airflow 2.9.3 (earlier and later versions of Airflow are not affected) * FAB provider 1.2.0 affected all versions of Airflow. Users who run Apache Airflow 2.9.3 are recommended to upgrade to Apache Airflow Providers FAB version 1.2.2 which fixes the issue. Users who run Any Apache Airflow version and have FAB provider 1.2.0 are recommended to upgrade to Apache Airflow Providers FAB version 1.2.2 which fixes the issue. Also upgrading Apache Airflow to latest version available is recommended. Note: Early version of Airflow reference container images of Airflow 2.9.3 and constraint files contained FAB provider 1.2.1 version, but this is fixed in updated versions of the images. Users are advised to pull the latest Airflow images or reinstall FAB provider according to the current constraints. Affected products include: Apache Apache-Airflow-Providers-Fab. Version information: version 1.2.2.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

Insufficient Session Expiration vulnerability in Apache Airflow Providers FAB.

This issue affects Apache Airflow Providers FAB: 1.2.1 (when used with Apache Airflow 2.9.3) and FAB 1.2.0 for all Airflow versions. The FAB provider prevented the user from logging out.

FAB provider 1.2.1 only affected Airflow 2.9.3 (earlier and later versions of Airflow are not affected)
FAB provider 1.2.0 affected all versions of Airflow.

Users who run Apache Airflow 2.9.3 are recommended to upgrade to Apache Airflow Providers FAB version 1.2.2 which fixes the issue.

Users who run Any Apache Airflow version and have FAB provider 1.2.0 are recommended to upgrade to Apache Airflow Providers FAB version 1.2.2 which fixes the issue.

Also upgrading Apache Airflow to latest version available is recommended.

Note: Early version of Airflow reference container images of Airflow 2.9.3 and constraint files contained FAB provider 1.2.1 version, but this is fixed in updated versions of the images.

Users are advised to pull the latest Airflow images or reinstall FAB provider according to the current constraints.

Threat Intelligence Overview

EPSS Score

0.9%

Top 44% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 0.9%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +49

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.