CVE-2023-41266

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Description

A path traversal 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 an unauthenticated remote attacker to generate an anonymous session. This allows them to transmit HTTP requests to unauthorized endpoints. This is fixed in August 2023 IR, May 2023 Patch 4, February 2023 Patch 8, November 2022 Patch 11, and August 2022 Patch 13.

References

https://research.nccgroup.com/2024/04/25/sifting-through-the-spines-identifying-potential-cactus-ransomware-victims/

https://www.bleepingcomputer.com/news/security/magnet-goblin-hackers-use-1-day-flaws-to-drop-custom-linux-malware/

https://research.checkpoint.com/2024/magnet-goblin-targets-publicly-facing-servers-using-1-day-vulnerabilities/

https://cyberplace.social/@GossiTheDog/111504514507788372

https://thehackernews.com/2023/11/cactus-ransomware-exploits-qlik-sense.html

https://www.praetorian.com/blog/doubleqlik-bypassing-the-original-fix-for-cve-2023-41265/

https://www.praetorian.com/blog/qlik-sense-technical-exploit/

https://github.com/praetorian-inc/zeroqlik-detect

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41266

https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-45783

https://community.qlik.com/t5/Release-Notes/tkb-p/ReleaseNotes

https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801

Details

Source: Mitre, NVD

Published: 2023-08-29

Updated: 2026-08-05

Named Vulnerability: ZeroQlikKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.84843