How severe is CVE-2020-29492?

CVE-2020-29492 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-29492 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29492?

CVE-2020-29492 affects Dell Wyse Thinos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29492?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-29492 published?

CVE-2020-29492 was published on 2021-01-04 and last updated on 2026-06-17.

CVE-2020-29492

CVE-2020-29492 is a critical-severity vulnerability in Dell Wyse Thinos with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 6.4
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Dell Wyse Thinos
Published: 2021-01-04
Last modified: 2026-06-17

Description

Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to access the writable file and manipulate the configuration of any target specific station.

Frequently asked questions

What is CVE-2020-29492?: Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to access the writable file and manipulate the configuration of any target specific station.
How severe is CVE-2020-29492?: CVE-2020-29492 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-29492 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29492?: CVE-2020-29492 affects Dell Wyse Thinos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29492?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-29492 published?: CVE-2020-29492 was published on 2021-01-04 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000180768/dsa-2020-281

Affected products (1)

cpe:2.3:o:dell:wyse_thinos:*:*:*:*:*:*:*:*

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