command injection vulnerability in Helpdesk

published 2021-02-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-22300

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.1%; EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known

The vulnerability have been reported to affect earlier versions of QTS. If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.

Patch / fix

fixed in 1

QNAP Systems Inc. Helpdesk 3.0.3

Exploit prediction

3.08% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

QNAP Systems Inc. Helpdesk

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

qnap.com /zh-tw/security-advisory/qsa-20-08
vendor-advisory

Sources

CVE List CVE-2020-2507
NVD CVE-2020-2507

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary