Vulnerability in Qlik Qlik_sense

CVE-2023-48365

Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attacker is able to elevate their privilege by tunneling HTTP req…

Vulnerability class: HTTP Request Smuggling

EPSS: 0.247 (97.7th 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, august_2023, february_2022
  • 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 mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-48365?
CVE-2023-48365 is a critical-severity vulnerability in Qlik Qlik_sense, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.6/10. Published 2023-11-15.
How severe is CVE-2023-48365?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2023-48365 known to be exploited?
Yes. CVE-2023-48365 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-01-13), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.