Is CVE-2021-38693 in the CISA KEV catalog?

No. CVE-2021-38693 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38693?

CVE-2021-38693 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-38693?

CVE-2021-38693 has an EPSS score of 0.89% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38693?

Upgrade qts to 5.0.0.1986 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-38693

MEDIUM

5.3

CVSS v3

NVD

Description

A path traversal vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero, QTS, QVR Pro Appliance. If exploited, this vulnerability allows attackers to read the contents of unexpected files and expose sensitive data. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero, QTS, QVR Pro Appliance: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build 20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later

CWE-22Path Traversal

How to fix

Remediation Available

qtsNVD

Affected:>= 5.0.0.1716, < 5.0.0.1986Fixed in:5.0.0.1986CVE-2021-38693derived from NVD

quts heroNVD

Affected:>= h5.0.0.1772, < h5.0.0.1949Fixed in:h5.0.0.1949CVE-2021-38693derived from NVD

qutscloudNVD

Affected:< c5.0.1.1949Fixed in:c5.0.1.1949CVE-2021-38693derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.89%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Vendor Advisory1

qnap.com

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	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.