Security readout for executives and security teams
Plain-English summary
CVE-2020-37230 lets a local, low-privileged user on a Windows host running Syncplify.me Server! 5.0.37 potentially gain LocalSystem privileges. The issue is an unquoted service path in SMWebRestServicev5. It is not a remote internet exploit by itself, but it can turn limited host access into full system control.
Executive priority
Prioritize remediation on servers where non-admin users, contractors, or automation accounts have local access. This is a privilege-escalation issue, not a standalone remote compromise, but it can materially increase impact after initial access.
Technical view
Syncplify.me Server! 5.0.37 has a CWE-428 unquoted service path vulnerability in SMWebRestServicev5. A local attacker with low privileges can place a malicious executable in the service path search order and have it run as LocalSystem when the service restarts or the host reboots. CVSS v4 is 8.5 high.
Likely exposure
Exposure is limited to systems running Syncplify.me Server! version 5.0.37 where an attacker already has local access. Risk increases if unprivileged users can write to directories in the service path or if systems are shared, jump-hosted, or weakly segmented.
Exploitation context
The source bundle cites Exploit-DB and a VulnCheck advisory, indicating public technical details exist. CISA KEV status is false in the provided data, and no cited source confirms active exploitation. Exploitation requires local privileges and a service restart or system reboot trigger.
Researcher notes
Evidence identifies only Syncplify.me Server! 5.0.37 and the SMWebRestServicev5 service. The provided sources do not name a fixed version or vendor patch. Avoid assuming broader version impact without vendor confirmation or controlled validation.
Mitigation direction
- Identify any Syncplify.me Server! 5.0.37 installations.
- Check Syncplify vendor guidance for fixed versions or supported remediation.
- If approved, correct the SMWebRestServicev5 service path quoting.
- Restrict write permissions on directories in the service executable path.
- Remove or disable the product where it is no longer required.
- Limit local login access to affected Windows hosts.
Validation and detection
- Confirm installed Syncplify.me Server! version on each Windows host.
- Inspect SMWebRestServicev5 for an unquoted executable path containing spaces.
- Review directory permissions along the service path for non-admin write access.
- Look for unexpected executables in parent directories of the service path.
- Check recent service restarts or reboots on affected systems.
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 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-2020-37230 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-49009CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: Syncplify.me Server! 5.0.37 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.