Is CVE-2024-21900 in the CISA KEV catalog?

No. CVE-2024-21900 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-21900?

CVE-2024-21900 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2024-21900?

CVE-2024-21900 has an EPSS score of 9.41% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21900?

Upgrade qts to 5.1.3.2578 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2024-21900

MEDIUMEPSS 95th pctl

4.3

CVSS v3

NVD

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

CWE-74Injection

How to fix

Remediation Available

qtsNVD

Affected:< 5.1.3.2578Fixed in:5.1.3.2578CVE-2024-21900derived from NVD

quts heroNVD

Affected:< h5.1.3.2578Fixed in:h5.1.3.2578CVE-2024-21900derived from NVD

qutscloudNVD

Affected:< c5.1.5.2651Fixed in:c5.1.5.2651CVE-2024-21900derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

9.41%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

References

Vendor Advisory1

qnap.com

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2251	Critical	9.8	100%	KEV	Fix
CVE-2023-22527	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-2725	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2022-35914	Critical	9.8	100%	KEV	-
CVE-2019-17558	High	7.5	99%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.