Common Weakness Enumeration

CWE-428

Allowed

Unquoted Search Path or Element

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path.

772 vulnerabilities reference this CWE, most recent first.

CVE-2021-47945 (GCVE-0-2021-47945)

Vulnerability from cvelistv5 – Published: 2026-05-10 12:44 – Updated: 2026-07-28 01:47
VLAI
Title
Argus Surveillance DVR 4.0 Unquoted Service Path Privilege Escalation
Summary
Argus Surveillance DVR 4.0 contains an unquoted service path vulnerability in the DVRWatchdog service that allows local attackers to escalate privileges by exploiting the service binary path. Attackers can place a malicious executable in the Program Files directory to be executed with LocalSystem privileges when the service starts.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 11:03 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Vendor Product Version
argus Argus Surveillance DVR Affected: Argus Surveillance DVR 4.0
    cpe:2.3:a:qnap:surveillance_station:argus:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2021-09-03 00:00
Credits
Salman Asad (@deathflash1411) a.k.a LeoBreaker
Show details on NVD website
To clipboard 

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CVE-2021-47898 (GCVE-0-2021-47898)

Vulnerability from cvelistv5 – Published: 2026-01-23 16:47 – Updated: 2026-03-05 01:29
VLAI
Title
Epson USB Display 1.6.0.0 Unquoted Service Path Vulnerability
Summary
Epson USB Display 1.6.0.0 contains an unquoted service path vulnerability in the EMP_UDSA service running with LocalSystem privileges. Attackers can exploit the unquoted path by placing malicious executables in intermediate directories to gain elevated system access.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 20:55 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Vendor Product Version
Epson America, Inc. Epson USB Display Affected: 1.6.0.0
    cpe:2.3:a:epson:usb_display:1.6.0.0:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2021-02-05 00:00
Credits
Hector Gerbacio
Show details on NVD website
To clipboard 

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CVE-2021-47896 (GCVE-0-2021-47896)

Vulnerability from cvelistv5 – Published: 2026-01-23 16:47 – Updated: 2026-01-23 21:49
VLAI
Title
PDFCOMPLETE Corporate Edition 4.1.45 - 'pdfcDispatcher' Unquoted Service Path
Summary
PDF Complete Corporate Edition 4.1.45 contains an unquoted service path vulnerability in the pdfcDispatcher service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in the service binary location to inject malicious executables that will be run with elevated LocalSystem privileges.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 20:54 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Date Public
2020-11-02 00:00
Credits
Ismael Nava
Show details on NVD website
To clipboard 

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CVE-2021-47890 (GCVE-0-2021-47890)

Vulnerability from cvelistv5 – Published: 2026-01-23 16:47 – Updated: 2026-01-23 19:17
VLAI
Title
LogonExpert 8.1 - 'LogonExpertSvc' Unquoted Service Path
Summary
LogonExpert 8.1 contains an unquoted service path vulnerability in the LogonExpertSvc service running with LocalSystem privileges. Attackers can exploit the unquoted path to place malicious executables in intermediate directories, potentially gaining elevated system access during service startup.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 19:17 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Date Public
2021-02-23 00:00
Credits
Victor Mondragón
Show details on NVD website
To clipboard 

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CVE-2021-47889 (GCVE-0-2021-47889)

Vulnerability from cvelistv5 – Published: 2026-01-23 16:47 – Updated: 2026-07-15 01:24
VLAI
Title
Softros LAN Messenger 9.6.4 - 'SoftrosSpellChecker' Unquoted Service Path
Summary
Softros LAN Messenger 9.6.4 contains an unquoted service path vulnerability in the SoftrosSpellChecker service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Softros Systems\Softros Messenger\Spell Checker\' to inject malicious executables and escalate privileges.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 19:18 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Vendor Product Version
Softros Systems LAN Messenger Affected: 9.6.4
    cpe:2.3:a:cd-messenger_project:cd-messenger:9.6.4:*:*:*:*:node.js:*:*
Create a notification for this product.
Date Public
2021-02-23 00:00
Credits
Victor Mondragón
Show details on NVD website
To clipboard 

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CVE-2021-47887 (GCVE-0-2021-47887)

Vulnerability from cvelistv5 – Published: 2026-01-21 17:27 – Updated: 2026-01-22 16:51
VLAI
Title
Print Job Accounting 4.4.10 - 'OkiJaSvc' Unquoted Service Path
Summary
OKI Print Job Accounting 4.4.10 contains an unquoted service path vulnerability in the OkiJaSvc service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files\Okidata\Print Job Accounting\' to inject malicious executables and escalate privileges.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 16:46 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Date Public
2021-03-07 00:00
Credits
Brian Rodriguez
Show details on NVD website
To clipboard 

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CVE-2021-47886 (GCVE-0-2021-47886)

Vulnerability from cvelistv5 – Published: 2026-01-21 17:27 – Updated: 2026-01-22 16:51
VLAI
Title
Pingzapper 2.3.1 - 'PingzapperSvc' Unquoted Service Path
Summary
Pingzapper 2.3.1 contains an unquoted service path vulnerability in the PingzapperSvc service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Pingzapper\PZService.exe' to inject malicious executables and escalate privileges.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 16:46 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Date Public
2021-03-07 00:00
Credits
Brian Rodriguez
Show details on NVD website
To clipboard 

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CVE-2021-47884 (GCVE-0-2021-47884)

Vulnerability from cvelistv5 – Published: 2026-01-21 17:27 – Updated: 2026-03-05 01:29
VLAI
Title
Configuration Tool 1.6.53 - 'OpLclSrv' Unquoted Service Path
Summary
OKI Configuration Tool 1.6.53 contains an unquoted service path vulnerability in the OKI Local Port Manager service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files\Okidata\Common\extend3\portmgrsrv.exe' to inject malicious executables and escalate privileges.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 16:46 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Vendor Product Version
OKI Configuration Tool Affected: 1.6.53
    cpe:2.3:a:mitsubishielectric:iu_configuration_tool:1.6.53:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2021-03-07 00:00
Credits
Brian Rodriguez
Show details on NVD website
To clipboard 

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CVE-2021-47883 (GCVE-0-2021-47883)

Vulnerability from cvelistv5 – Published: 2026-01-21 17:27 – Updated: 2026-03-05 01:29
VLAI
Title
Sandboxie Plus v0.7.2 - 'SbieSvc' Unquoted Service Path
Summary
Sandboxie Plus 0.7.2 contains an unquoted service path vulnerability in the SbieSvc service that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted binary path to inject malicious executables that will be launched with LocalSystem permissions during service startup.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 21:57 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Vendor Product Version
Sandboxie-Plus Sandboxie Plus Affected: 0.7.2
    cpe:2.3:a:sandboxie-plus:sandboxie:0.7.2:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2021-01-20 00:00
Credits
Mohammed Alshehri
Show details on NVD website
To clipboard 

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CVE-2021-47882 (GCVE-0-2021-47882)

Vulnerability from cvelistv5 – Published: 2026-01-21 17:27 – Updated: 2026-03-05 01:29
VLAI
Title
FreeLAN 2.2 - 'FreeLAN Service' Unquoted Service Path
Summary
FreeLAN 2.2 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be launched with elevated LocalSystem privileges during service startup.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 16:46 UTC
CWE
  • CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
Vendor Product Version
FreeLAN FreeLAN Affected: 2.2
    cpe:2.3:a:freelan:freelan:2.2:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2021-01-20 00:00
Credits
Mohammed Alshehri
Show details on NVD website
To clipboard 

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Mitigation
Implementation

Properly quote the full search path before executing a program on the system.

Mitigation MIT-5
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
Mitigation MIT-20
Implementation

Strategy: Input Validation

Inputs should be decoded and canonicalized to the application's current internal representation before being validated (CWE-180). Make sure that the application does not decode the same input twice (CWE-174). Such errors could be used to bypass allowlist validation schemes by introducing dangerous inputs after they have been checked.

No CAPEC attack patterns related to this CWE.

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