CVE-2018-19941

Cleartext Storage of Sensitive Information in Cookies

HIGH
7.5
CVSS Score
Published: December 31, 2020 at 04:33 PM UTC
Updated: June 17, 2026 at 01:50 AM UTC
3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%

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)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.5.1.1456
Affected range stops below 4.5.1.1456, so it looks safe — our inference, not a vendor statement
v < h4.5.1.1472
Affected range stops below h4.5.1.1472, so it looks safe — our inference, not a vendor statement
v < c4.5.2.1379
Affected range stops below c4.5.2.1379, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-315CWE-312

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