CVE-2023-41266: Qlik Sense Path Traversal Vulnerability
Qlik Sense contains a path traversal vulnerability that allows a remote, unauthenticated attacker to create an anonymous session by sending maliciously crafted HTTP requests. This anonymous session could allow the attacker to send further requests to unauthorized endpoints.
| Vendor | Qlik |
|---|---|
| Product | Sense |
| Date added to KEV | 2023-12-07 |
| Due date (BOD 22-01) | 2023-12-28 |
| Known ransomware campaign use | Known |
| CWE | CWE-20 |
| Required action | Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. |
What to do
- Identify every instance of Qlik Sense in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
- Federal civilian agencies must act by 2023-12-28 under BOD 22-01; other organizations can use the same date as a target.
- Because ransomware use is known, check for signs of compromise and confirm backups are offline and tested.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
This CVE is flagged by CISA as known to be used in ransomware campaigns. Rehearse your response before you need it: Ransomware tabletop exercise kit (Runbook Foundry).