Security readout for executives and security teams
Plain-English summary
CVE-2023-48365 is a critical Qlik Sense Enterprise for Windows flaw that can let a remote attacker reach backend functions through malformed HTTP headers. CISA lists it as known exploited, so exposed or outdated deployments should be treated as urgent business risk, not a routine maintenance item.
Executive priority
Treat this as a high-priority remediation item because it is critical, remotely exploitable, and in CISA KEV. Ask for a same-cycle inventory, patch plan, and exposure report.
Technical view
The issue is CWE-444 improper HTTP header validation in Qlik Sense Enterprise for Windows before listed patched versions. It allows HTTP request tunneling to the repository backend and can lead to unauthenticated remote code execution. The CVE notes it resulted from an incomplete fix for CVE-2023-41265.
Likely exposure
Exposure is likely where Qlik Sense Enterprise for Windows is running before the fixed patch levels, especially if reachable from untrusted networks. The source bundle does not identify other affected Qlik products.
Exploitation context
CISA KEV inclusion means known exploitation is documented. The provided sources do not include exploit volume, specific threat actors, or compromise indicators, so those details should not be assumed.
Researcher notes
Focus validation on version evidence and request-handling behavior around HTTP header parsing and backend repository access. The CVE explicitly links this to incomplete remediation for CVE-2023-41265, so regression coverage should include that bypass class.
Mitigation direction
- Upgrade to a fixed Qlik Sense Enterprise for Windows patch level.
- Use Qlik’s official advisory to select the correct supported patch.
- Prioritize internet-facing or partner-accessible Qlik deployments.
- Review exposure controls while patching is planned.
- Check vendor guidance before relying on compensating controls.
Validation and detection
- Inventory all Qlik Sense Enterprise for Windows servers.
- Confirm installed release and patch level against fixed versions.
- Verify vulnerable instances are not externally reachable.
- Review logs for suspicious repository or tunneled backend requests.
- Track remediation evidence for each affected server.
Public sources used
Michael Williams reviewed this cited source version on .
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-444: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-48365 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
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:L/S:C/UI: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.
CISA KEV status
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/AC:L/AV:N/A:N/C:H/I:H/PR:L/S:C/UI:N3.15.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:L/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/tac-p/2120510CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-48365CVE reference · government-resource
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.
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.