CVE-2023-48365
CriticalExploitedPublic exploitQlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683.
Published Nov 30, 2023 · Updated Oct 21, 2025
Key Facts
Patch immediately- CVE-2023-48365 is a critical-severity vulnerability (CVSS 9.9 v3.1) affecting Qlik Sense.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 28, 2023 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 47% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
47%
Higher than 98.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-48365 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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 requests, allowing them to execute HTTP requests on the backend server that hosts the repository application. The fixed versions are August 2023 Patch 2, May 2023 Patch 6, February 2023 Patch 10, November 2022 Patch 12, August 2022 Patch 14, May 2022 Patch 16, February 2022 Patch 15, and November 2021 Patch 17. NOTE: this issue exists because of an incomplete fix for CVE-2023-41265.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jan 13, 2025 | Feb 3, 2025 | Known |
| Industry KEV feed | Nov 28, 2023 | Feb 3, 2025 | Known |
| CIRCL KEV | Jan 13, 2025 | Feb 3, 2025 | Known |
| ENISA EUVD | Jan 13, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
92 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Qlik SenseQlik | august_2022, august_2022-patch_10, august_2022-patch_11, august_2022-patch_12, august_2022-patch_13, august_2022-patch_1, august_2022-patch_2, august_2022-patch_3 | n/a |
Timeline
Added to Industry KEV feed
Nov 28, 2023
Publicly disclosed
Nov 30, 2023
Added to CISA KEV
Jan 13, 2025
Added to CIRCL KEV
Jan 13, 2025
Added to ENISA EUVD
Jan 13, 2025
Last updated
Oct 21, 2025
Weakness Type
- CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
References
- advisoryhttps://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/tac-p/2120510
- advisoryhttps://community.qlik.com/t5/Support-Updates/Qlik-Sense-Enterprise-for-Windows-New-Security-Patches-Available/ba-p/2108549
- advisoryhttps://thehackernews.com/2023/05/new-ransomware-strain-cactus-exploits.html
- advisoryVulnCheck exploitation report
- advisoryhttps://www.praetorian.com/blog/doubleqlik-bypassing-the-original-fix-for-cve-2023-41265/
FAQ
Common Questions.
Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683.
Affected: Qlik Sense versions august_2022, august_2022-patch_10, august_2022-patch_11, august_2022-patch_12, august_2022-patch_13, august_2022-patch_1, august_2022-patch_2, august_2022-patch_3. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 28, 2023 and is known to be used in ransomware campaigns.
Yes. It was added on Jan 13, 2025 with a federal remediation due date of Feb 3, 2025.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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