Is CVE-2018-19941 actively exploited?

No active exploitation of CVE-2018-19941 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-19941 be exploited remotely?

Yes. CVE-2018-19941 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-19941?

CVE-2018-19941 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2018-19941

CWE-315Published: December 31, 2020· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

A vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows an attacker to access sensitive information stored in cleartext inside cookies via certain widely-available tools. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.1.1456 build 20201015 (and later) QuTS hero h4.5.1.1472 build 20201031 (and later) QuTScloud c4.5.2.1379 build 20200730 (and later)

NVD Source

Technical Analysis

CVE-2018-19941 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.