CVE-2021-32535

Name: CVE-2021-32535
Creator: NVD / NIST
Published: 2021-07-07T14:15:12.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.41%

Last modified Jun 17, 2026

CVE-2021-32535 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.41%

69.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Qsan	Sanos	< 2.1.0

References

https://www.twcert.org.tw/tw/cp-132-4892-768d9-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-4892-768d9-1.htmlThird Party Advisory

Timeline

Published: Jul 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32535?

How severe is CVE-2021-32535?

CVE-2021-32535 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32535?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32535?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST