SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-41265

Qlik Sense HTTP Tunneling Vulnerability

KEVCRITICAL 9.9EPSS 88.2%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 December 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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.

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
88.22% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 7 December 2023 · due 28 December 2023 · used in ransomware campaigns
Weakness
CWE-444
Affected
qlik/qlik sense
Source
cve@mitre.org
EPSS trend
0%45%90%30 October 2026: 88.22%30 October 202630 October 2026

EPSS 88.2% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801; https://nvd.nist.gov/vuln/detail/CVE-2023-41265

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.