Security readout for executives and security teams
Plain-English summary
Apache Airflow versions 2.3.0 through 2.3.4 had a URL formatting flaw that could let an unauthenticated network attacker extract information. The issue affects confidentiality, not integrity or availability, based on the provided CVSS vector.
Executive priority
Prioritize remediation for internet-facing or shared Airflow environments. The main business concern is unauthorized information exposure from orchestration infrastructure, which may contain operational metadata and workflow details.
Technical view
CVE-2022-40604 is a CWE-134 format string issue in Apache Airflow where part of a URL was unnecessarily formatted. The published CVSS 3.1 score is 7.5, with network attack vector, low complexity, no privileges, no user interaction, and high confidentiality impact.
Likely exposure
Exposure is most likely where Apache Airflow 2.3.0 through 2.3.4 is deployed and reachable over a network, especially if Airflow web or API surfaces are accessible from untrusted networks.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Treat this as a serious confidentiality risk because exploitation requires no privileges or user interaction according to the CVSS vector.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, Apache mailing-list reference, and Apache Airflow pull request. The bundle does not provide exploit details, observed exploitation, or a specific fixed version, so validation should stay version- and exposure-focused.
Mitigation direction
- Identify all Apache Airflow deployments and their exact versions.
- Check Apache advisory and PR 26337 for vendor-confirmed remediation guidance.
- Plan upgrade or remediation for Airflow 2.3.0 through 2.3.4 systems.
- Limit Airflow exposure to trusted networks while remediation is pending.
- Review access controls around Airflow web and API endpoints.
Validation and detection
- Confirm whether any running Airflow version is 2.3.0 through 2.3.4.
- Map which Airflow endpoints are reachable from the internet or partner networks.
- Review Airflow logs for unusual URL access and unexpected disclosure-related errors.
- Verify remediation status against Apache's advisory or linked pull request.
- Document compensating controls for any instance awaiting remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-134: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-40604 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/apache/airflow/pull/26337CVE reference · x_refsource_MISC
- https://lists.apache.org/thread/z20x8m16fnhxdkoollv53w1ybsts687tCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Externally-Controlled Format String
Use of Externally-Controlled Format String represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.