Is CVE-2021-21532 in the CISA KEV catalog?

No. CVE-2021-21532 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21532?

CVE-2021-21532 has a CVSS v3 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2021-21532?

CVE-2021-21532 has an EPSS score of 0.22% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21532?

Upgrade wyse thinos to 8.6 or later.

CVE & CISA-KEV Catalog

CVE-2021-21532

MEDIUM

5.0

CVSS v3

NVD

Description

Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.

CWE-16 CWE-20Improper Input Validation

How to fix

Remediation Available

wyse thinosNVD

Affected:< 8.6Fixed in:8.6CVE-2021-21532derived 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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.22%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Vendor Advisory1

dell.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.