Is CVE-2021-28813 in the CISA KEV catalog?

No. CVE-2021-28813 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28813?

CVE-2021-28813 has a CVSS v3 base score of 9.6 (CRITICAL).

What is the EPSS score for CVE-2021-28813?

CVE-2021-28813 has an EPSS score of 1.06% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28813?

Upgrade qsw-m2116p-2t2s firmware to 1.0.6 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-28813

CRITICAL

9.6

CVSS v3

NVD

Description

A vulnerability involving insecure storage of sensitive information has been reported to affect QSW-M2116P-2T2S and QNAP switches running QuNetSwitch. If exploited, this vulnerability allows remote attackers to read sensitive information by accessing the unrestricted storage mechanism.We have already fixed this vulnerability in the following versions: QSW-M2116P-2T2S 1.0.6 build 210713 and later QGD-1600P: QuNetSwitch 1.0.6.1509 and later QGD-1602P: QuNetSwitch 1.0.6.1509 and later QGD-3014PT: QuNetSwitch 1.0.6.1519 and later

CWE-259 CWE-522 CWE-798Hard-coded Credentials CWE-922

How to fix

Remediation Available

qsw-m2116p-2t2s firmwareNVD

Affected:< 1.0.6Fixed in:1.0.6CVE-2021-28813derived from NVD

qunetswitchNVD

Affected:< 1.0.6.1509Fixed in:1.0.6.1509CVE-2021-28813derived 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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.06%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Vendor Advisory1

qnap.com

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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.