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CVE Record

CVE-2020-37231: Privacy Drive 3.17.0 Unquoted Service Path Privilege Escalation

Privacy Drive 3.17.0 contains an unquoted service path vulnerability in the pdsvc.exe service binary that allows local attackers to escalate privileges by exploiting the service startup process. Attackers can place malicious executables in the unquoted path directories to execute arbitrary code with LocalSystem privileges during service startup or system reboot.

HighCVSS 8.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Privacy Drive 3.17.0 Build 1456 has a Windows service configuration flaw that can let a low-privileged local user gain LocalSystem control when the service starts. This is mainly a risk after an attacker already has local access, but it can turn a limited compromise into full host takeover.

Executive priority

Handle as a high-priority endpoint hardening issue where Privacy Drive is installed. It is not a remote internet-facing flaw, but it can materially worsen any local compromise by enabling full system privileges.

Technical view

The pdsvc.exe service has an unquoted service path vulnerability, classified as CWE-428. Windows service startup path parsing can be abused by a local low-privileged attacker to execute arbitrary code as LocalSystem during service start or reboot. The CVSS v4.0 score is 8.5 high.

Likely exposure

Exposure is limited to endpoints or servers running Cybertronsoft Privacy Drive 3.17.0 Build 1456 with the affected pdsvc.exe service. The bundle does not identify other versions, CPEs, cloud exposure, or remote attack surface.

Exploitation context

The source bundle includes an ExploitDB reference, so public exploit information exists. CISA KEV is false, and the supplied sources do not establish active exploitation. The attacker needs local low-privileged access and a service start or reboot condition.

Researcher notes

Evidence is specific to Privacy Drive 3.17.0 Build 1456 and pdsvc.exe. The bundle gives CVSS v4.0 8.5 and CWE-428, but does not provide confirmed vendor patch status, affected-version range beyond 3.17.0 Build 1456, or active exploitation evidence.

Mitigation direction

  • Identify and prioritize systems running Privacy Drive 3.17.0 Build 1456.
  • Check Cybertronsoft guidance for a fixed version or supported remediation.
  • Remove or disable Privacy Drive where business use is not required.
  • Restrict local write access around application and service-path directories.
  • Monitor for unexpected pdsvc.exe service restarts or suspicious child processes.

Validation and detection

  • Inventory installed Privacy Drive versions across managed Windows endpoints.
  • Confirm whether the pdsvc.exe service path is unquoted on affected hosts.
  • Review service configuration and filesystem permissions with endpoint management tooling.
  • Check EDR telemetry for unusual activity around service startup or reboot.
  • Track vendor and VulnCheck updates for remediation details.
Prepared
Confidence
high
Sources
6

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.

Open ATT&CK lookup
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
description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. 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-2020-37231 mapping review

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

Open ATT&CK lookup
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.

2CVSS vectors
3Timeline events
1ADP providers
5Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: total

CVSS vector scores

2 official scores

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:NVulnCheck
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9VulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

8.5High
CVSS 4.0 vector shape for CVE-2020-37231Attack 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

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CybertronsoftPrivacy Drive3.17.0 Build 1456Listed
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.