CVE-2018-19941 Cleartext Storage of Sensitive Information in Cookies

What is CVE-2018-19941?

CVE-2018-19941 is a high-severity vulnerability in Qnap Qts, published on 31 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

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)

Weakness: CWE-312, CWE-315

Which versions are affected by CVE-2018-19941?

It affects 3 products.

Products include Qnap Qts, Qnap Quts Hero, Qnap Qutscloud.

How do I fix CVE-2018-19941?

No fix has been published for CVE-2018-19941 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-19941 being exploited?

There is no known exploitation of CVE-2018-19941 in the wild and no public exploit code.

Other vulnerabilities in Qnap Qts

• CVE-2020-2509 QNAP Network-Attached Storage (NAS) Command Injection Exploited Critical 9.8
• CVE-2018-19949 QNAP NAS File Station Command Injection Exploited Critical 9.8
• CVE-2019-7193 QNAP QTS Improper Input Validation Exploited Critical 9.8
• CVE-2018-19943 QNAP NAS File Station Cross-Site Scripting Exploited High 8.0
• CVE-2018-19953 QNAP NAS File Station Cross-Site Scripting Exploited Medium 6.1

All Qnap Qts vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vhv6-87pm-667v.