CVE-2022-34428Network attack vector

Temporary UI interruption via inefficient regular expression

Published Sep 30, 2022 · Updated May 20, 2025

Regular expression denial of service in the Dell Hybrid Client UI before 1.8 allows remote authenticated users to interrupt the UI. Dell has not disclosed the affected UI field or expression, or how it processes attacker-controlled input with excessive complexity. Exploitation requires WMS group administrator access and causes only a temporary service interruption, with no reported data access or modification.

CVSS severity5.0
Medium
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Regular expression denial of service in the Dell Hybrid Client UI before 1.8 allows remote authenticated users to interrupt the UI. Dell has not disclosed the affected UI field or expression, or how it processes attacker-controlled input with excessive complexity. Exploitation requires WMS group administrator access and causes only a temporary service interruption, with no reported data access or modification.

The record

CVE
CVE-2022-34428
Published
Sep 30, 2022
Updated
May 20, 2025
Vendor
Dell
Product
Dell Hybrid Client
Classifications
CWE-1333, T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 30, 2022CVE publishedPublication date reported by the CVE source.
  2. May 20, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <1.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Dell · Dell Hybrid Clientversion=unspecified <1.8

Published CVSS scores

5.0DellCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
2.7NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1333Inefficient Regular Expression Complexity
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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