Security readout for executives and security teams
Plain-English summary
This flaw affects EPSON Status Monitor 3 version 8.0 and can let a local low-privileged attacker run code with higher privileges through an unquoted Windows service path. It is mainly an endpoint privilege-escalation risk, not a remote internet-facing takeover based on the supplied evidence.
Executive priority
Treat this as a high-priority endpoint hardening issue. It is less urgent than a remotely exploitable server flaw, but it can turn ordinary local access into full system compromise on affected Windows hosts.
Technical view
CVE-2020-36975 is a CWE-428 unquoted service path issue in EPSON_PM_RPCV4_06 8.0. The vulnerable path is under C:\Program Files\Common Files\EPSON\EPW!3SSRP\E_S60RPB.EXE. CVSS 4.0 is 8.5, with local attack vector, low complexity, low privileges, and high confidentiality, integrity, and availability impact.
Likely exposure
Windows systems with SEIKO EPSON Status Monitor 3 EPSON_PM_RPCV4_06 8.0 installed. Exposure is most relevant on shared workstations, printer-management hosts, or endpoints where non-admin users can log in locally.
Exploitation context
The source bundle includes an ExploitDB reference, so public exploit information exists. The CVE is not listed as KEV in the bundle, and no cited source establishes active exploitation in the wild.
Researcher notes
Evidence supports a local privilege-escalation condition in a specific Epson Status Monitor service. The bundle does not provide CPEs, patch status, or active exploitation evidence. Avoid broad product assumptions beyond EPSON_PM_RPCV4_06 8.0.
Mitigation direction
- Check Epson guidance for a supported update or mitigation for Status Monitor 3 version 8.0.
- Inventory and prioritize systems running EPSON_PM_RPCV4_06 8.0.
- Remove or disable the component where it is not operationally required.
- Harden local user access on affected endpoints.
- Review directory permissions along the service path for inappropriate low-privilege write access.
Validation and detection
- Confirm whether EPSON Status Monitor 3 EPSON_PM_RPCV4_06 8.0 is installed.
- Inspect the Windows service binary path for unquoted spaces.
- Check whether non-admin users can write to directories in the service path.
- Verify any Epson-provided update changes the affected service configuration.
- Record compensating controls where vendor remediation is unavailable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-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 lookupExecution 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 lookupCVE-2020-36975 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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.
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——VulnCheckCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: 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
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49141CVE reference, VulnCheck · exploit
- Official EPSON Corporate HomepageCVE reference, VulnCheck · product
- VulnCheck Advisory: EPSON Status Monitor 3 'EPSON_PM_RPCV4_06' - Unquoted Service PathCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
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.