Vulnerability in Qlik Sense

CVE-2023-41265

An HTTP Request Tunneling vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier, February 2023 Patch 7 and earlier, November 2022 Patch 10 and earlier, and August 2022 Patch 12 and earlier allows a remote attacker to elevate their privilege by tunneling HTTP requests in the raw HTTP request. This allows them to send requests that get executed by the backend server hosting the repository application. This is fixed in August 2023 IR, May 2023 Patch 4, February 2023 Patch 8, November 2022 Patch 11, and August 2022 Patch 13.

Vulnerability class: HTTP Request Smuggling

EPSS: 0.882 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

  • Qlik Qlik_sense — versions august_2022, february_2023, may_2023
  • N/a — versions n/a

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-41265?
CVE-2023-41265 is a critical-severity vulnerability in Qlik Sense, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.6/10. Published 2023-08-29.
How severe is CVE-2023-41265?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2023-41265 known to be exploited?
Yes. CVE-2023-41265 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-12-07), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.