How severe is CVE-2022-34402?

CVE-2022-34402 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-34402 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34402?

CVE-2022-34402 affects Dell Wyse Thinos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34402?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-34402 published?

CVE-2022-34402 was published on 2022-10-10 and last updated on 2026-06-17.

CVE-2022-34402

CVE-2022-34402 is a medium-severity vulnerability in Dell Wyse Thinos with a CVSS 3.x base score of 6.8. 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-1333.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1333
Affected product: Dell Wyse Thinos
Published: 2022-10-10
Last modified: 2026-06-17

Description

Dell Wyse ThinOS 2205 contains a Regular Expression Denial of Service Vulnerability in UI. An admin privilege attacker could potentially exploit this vulnerability, leading to denial-of-service.

Frequently asked questions

What is CVE-2022-34402?: Dell Wyse ThinOS 2205 contains a Regular Expression Denial of Service Vulnerability in UI. An admin privilege attacker could potentially exploit this vulnerability, leading to denial-of-service.
How severe is CVE-2022-34402?: CVE-2022-34402 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-34402 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34402?: CVE-2022-34402 affects Dell Wyse Thinos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34402?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34402 published?: CVE-2022-34402 was published on 2022-10-10 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000203376/dsa-2022-247-dell-wyse-thinos-security-update-for-a-regular-expression-vulnerability

Affected products (1)

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

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