Security readout for executives and security teams
Plain-English summary
CVE-2020-36879 is an unquoted Windows service path issue in Flexense DiskBoss 11.7.28 editions. If abused, attacker-controlled code may run with elevated service privileges during service startup or reboot. Treat this as high priority where DiskBoss is installed on important Windows systems.
Executive priority
Prioritize remediation on critical Windows servers using DiskBoss. The issue can turn a service configuration weakness into elevated code execution, but current sources do not show confirmed active exploitation. Focus on inventory, vendor update checks, and service-path hardening.
Technical view
The record maps to CWE-428 and affects DiskBoss, DiskBoss Pro, Ultimate, Server, and Enterprise 11.7.28. The CVSS 4.0 score is 8.5, with local attack vector, low complexity, no privileges, and user interaction present. Public exploit information is referenced, but KEV does not list active exploitation.
Likely exposure
Exposure is likely limited to Windows systems running affected DiskBoss 11.7.28 editions. This is not described as a typical internet-facing vulnerability. Risk increases on shared workstations, servers, or systems where users or attackers can influence filesystem paths or trigger service restarts.
Exploitation context
Sources reference a public Exploit Database entry, so technical details are publicly available. However, the bundle provides no evidence of active exploitation, and CISA KEV status is false. The description’s remote-code-execution wording conflicts with the CVSS local vector, so local validation is important.
Researcher notes
The bundle contains inconsistent framing: the description says unauthenticated remote code execution during startup or reboot, while CVSS lists local attack vector and user interaction present. Do not assume network exploitability without vendor or advisory confirmation. Public exploit reference exists, but exploitation-in-the-wild is not evidenced.
Mitigation direction
- Check Flexense/DiskBoss guidance for fixed versions or vendor remediation.
- Upgrade or remove affected DiskBoss 11.7.28 installations where feasible.
- Ensure DiskBoss Windows service executable paths are properly quoted.
- Restrict write access to directories in service executable paths.
- Prioritize remediation on privileged servers and multi-user Windows systems.
Validation and detection
- Inventory Windows hosts for DiskBoss 11.7.28 editions.
- Review DiskBoss service configurations for unquoted executable paths.
- Confirm service account privilege level and restart behavior.
- Check whether non-administrators can write to relevant service path directories.
- Document compensating controls if vendor fixes are 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-2020-36879 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:N/UI:P/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.
CVSS vector scores
1 official scoreWe 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:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- Exploit Database Entry 49022CVE reference · exploit
- DiskBoss HomepageCVE reference · product
- DiskBoss Software LinkCVE reference · product
- https://www.vulncheck.com/advisories/flexsense-diskboss-service-unquoted-service-path-vulnerabilityCVE reference · 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.