Cleartext Transmission of Sensitive Information in SNMP

published 2020-12-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11615

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

A cleartext transmission of sensitive information vulnerability has been reported to affect certain QTS devices. If exploited, this vulnerability allows a remote attacker to gain access to sensitive information. QNAP have already fixed this vulnerability in the following versions: QTS 4.4.3.1354 build 20200702 (and later)

Patch / fix

fixed in 1

QNAP Systems Inc. QTS 4.4.3.1354

Exploit prediction

0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

QNAP Systems Inc. QTS

Classification

Weakness

CWE-311 Missing Encryption of Sensitive Data
CWE-319 Cleartext Transmission of Sensitive Information

References

qnap.com /zh-tw/security-advisory/qsa-20-22
vendor-advisory

Sources

CVE List CVE-2018-19944
NVD CVE-2018-19944

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Summary