Security readout for executives and security teams
Plain-English summary
RealTimes Desktop Service 18.1.4 can let a local, low-privileged attacker gain LocalSystem rights because its service executable path is not quoted correctly. This is a high-impact endpoint privilege escalation, not a remote internet-facing bug based on the provided sources.
Executive priority
Prioritize remediation on shared workstations, kiosks, and systems where low-privileged users or malware may already have local access. This is most dangerous as a second-stage escalation after initial compromise.
Technical view
The vulnerability is CWE-428 in the RealTimes Desktop Service rpdsvc.exe service path. CVSS v4.0 is 8.5 with local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact on the vulnerable system.
Likely exposure
Exposure is limited to systems running RealTimes Desktop Service version 18.1.4. The provided sources do not identify other affected Real products, versions, platforms, or deployment patterns.
Exploitation context
The source bundle includes an ExploitDB reference, so public exploit information exists. CISA KEV status is false in the bundle, and no provided source states active exploitation in the wild.
Researcher notes
Evidence supports a local privilege escalation in RealTimes Desktop Service 18.1.4 only. The bundle does not provide a vendor patch version, affected CPEs, or active exploitation evidence, so validation should stay tightly scoped to that product and version.
Mitigation direction
- Inventory endpoints for RealTimes Desktop Service 18.1.4.
- Check Real and advisory sources for vendor remediation guidance.
- Remove the affected software where it is not business-required.
- Restrict local user access on affected endpoints where feasible.
- Verify service paths are correctly quoted after remediation.
Validation and detection
- Confirm whether rpdsvc.exe is installed as a service.
- Record the installed RealTimes Desktop Service version.
- Check whether the service executable path is unquoted.
- Review whether related path directories are writable by standard users.
- Review endpoint telemetry for suspicious service-start activity.
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 lookupPrivilege 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 lookupCVE-2020-37251 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-49021CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- VulnCheck Advisory: RealTimes Desktop Service 18.1.4 Unquoted Service Path Privilege EscalationCVE 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.