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CVE Record

CVE-2022-50915: PTPublisher 2.3.4 - Unquoted Service Path

PTPublisher 2.3.4 contains an unquoted service path vulnerability in the PTProtect service that allows local attackers to potentially execute arbitrary code with elevated privileges. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Primera Technology\PTPublisher\UsbFlashDongleService.exe' to inject malicious executables and gain system-level access.

HighCVSS 8.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

PTPublisher 2.3.4 has a Windows service configuration weakness that could let a local, low-privileged attacker gain higher privileges on the affected machine. This is mainly an endpoint or workstation risk where the software is installed. No cited source confirms active exploitation or a vendor patch.

Executive priority

Prioritize for environments where shared Windows workstations or low-privileged users run PTPublisher. Treat as high severity privilege escalation, but not an emergency internet-exposure issue based on current sources.

Technical view

CVE-2022-50915 is a CWE-428 unquoted service path issue in PTPublisher 2.3.4. The PTProtect service references an executable path under Program Files without quotes. With local access, an attacker may abuse Windows path parsing to execute code with elevated privileges. CVSS v4.0 is 8.5 high.

Likely exposure

Exposure is limited to systems running Primera PTPublisher 2.3.4 on Windows, especially where non-administrative users can log in locally or interactively. Internet-facing exposure is not indicated by the sources.

Exploitation context

The bundle includes an ExploitDB reference, indicating public exploit information exists. However, the CVE is not marked in KEV, and the provided sources do not confirm active exploitation in the wild.

Researcher notes

Sources identify PTPublisher 2.3.4 and the PTProtect service path as affected. Patch status is not established in the provided material. Avoid assuming broader Primera products or versions are affected without vendor confirmation.

Mitigation direction

  • Identify endpoints running PTPublisher 2.3.4.
  • Check Primera guidance for updates or supported configuration fixes.
  • Remove or disable PTPublisher where it is not business-required.
  • Restrict local user access on affected systems.
  • Review filesystem permissions around the application installation path.

Validation and detection

  • Confirm whether PTPublisher 2.3.4 is installed.
  • Verify the PTProtect service path is configured safely.
  • Check whether non-admin users can write to relevant path locations.
  • Document affected hosts and business owners.
  • Monitor vendor and advisory pages for patch information.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-428: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-50915 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.5 (4.0)
Known Exploited
No
Published

Vector: 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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.5CVSS 4.0HighCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NPrimary CVE score

Vulnerability scoring details

Base CVSS 4.0 score

8.5High
CVSS 4.0 vector shape for CVE-2022-50915Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: 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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
PrimeraPTPublisher2.3.4Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-428 · source CWE mapping

Unquoted Search Path or Element

Unquoted Search Path or Element represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.