Is CVE-2021-32535 in the CISA KEV catalog?

No. CVE-2021-32535 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-32535?

CVE-2021-32535 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-32535?

CVE-2021-32535 has an EPSS score of 1.41% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-32535?

Upgrade sanos to 2.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-32535

CRITICAL

9.8

CVSS v3

NVD

Description

The vulnerability of hard-coded default credentials in QSAN SANOS allows unauthenticated remote attackers to obtain administrator’s permission and execute arbitrary functions. The referred vulnerability has been solved with the updated version of QSAN SANOS v2.1.0.

CWE-798Hard-coded Credentials

How to fix

Remediation Available

sanosNVD

Affected:< 2.1.0Fixed in:2.1.0CVE-2021-32535derived 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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.41%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Third-Party Advisory1

twcert.org.tw

Related Vulnerabilities

Other CWE-798 (Hard-coded Credentials) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-26138	Critical	9.8	98%	KEV	-
CVE-2024-3272	Critical	9.8	98%	KEV	-
CVE-2025-30406	Critical	9.0	94%	KEV	Fix
CVE-2024-28987	Critical	9.1	93%	KEV	Fix
CVE-2019-15976	Critical	9.8	93%	-	Fix
CVE-2024-20439	Critical	9.8	92%	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.