6.5

CVE-2024-21900: qnap systems inc. qts Injection

CVSS: 6.5v3.1MediumModified
Published 08-03-2024Last modified 16-12-2025
Open JSON

Vulnerability summary

CVE-2024-21900 is a medium (CVSS 6.5) Injection vulnerability in qnap systems inc. qts. EPSS estimates a 9.41% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
9.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-03-2024
    PublishedVulnerability first disclosed.
  2. 16-12-2025
    Last modifiedVulnerability information updated.

Description

An injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTScloud c5.1.5.2651 and later

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

9.41%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 9.41% on 20-09-2026

20-09-202620-10-2026
EPSS score
9.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap3 products
Qnap systems inc.3 products
  • qts≥ 5.1.x, < 5.1.3.2578 build 20231110
  • quts hero≥ h5.1.x, < h5.1.3.2578 build 20231110
  • qutscloud≥ c5.x.x, < c5.1.5.2651

2 vendors · 6 products

References

1 links