Security readout for executives and security teams
Plain-English summary
Cobian Backup 11 clients could trust a spoofed master server. An attacker positioned to impersonate that server could create backup jobs and use pre-backup events to run system commands on the client. This turns backup management into a remote command execution path on affected endpoints.
Executive priority
Prioritize this where Cobian Backup 11 is still deployed, especially on privileged systems. The business risk is not widespread by default, but affected backup clients may provide a path to command execution and operational disruption.
Technical view
The CVE describes a client-side trust issue in Cobian Backup 11. When the master server is spoofed, a man-in-the-middle attacker can add and execute backup tasks. The reported impact includes remote system command execution through abused pre-backup events.
Likely exposure
Exposure is limited to environments running Cobian Backup 11 clients that communicate with a master server over a network path an attacker could intercept or spoof. The source bundle does not identify other affected products or versions.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not listed as KEV. Exploitation requires a man-in-the-middle or spoofed-master position, but successful abuse could execute system commands on backup clients.
Researcher notes
Available evidence is sparse: the CVE record and Tarlogic advisory identify the flaw class and impact, but the bundle provides no CVSS, CWE, patch status, or exploitation evidence. Avoid assuming broader product impact without vendor confirmation.
Mitigation direction
- Inventory systems running Cobian Backup 11 client components.
- Check vendor or project guidance for fixed versions or deprecation advice.
- Restrict backup client and master server communication to trusted networks.
- Use network controls to prevent master server spoofing or interception.
- Review backup tasks for unexpected pre-backup event actions.
Validation and detection
- Identify Cobian Backup 11 installations across endpoints and servers.
- Confirm whether clients communicate with a central master server.
- Review configurations for pre-backup events executing system commands.
- Check logs for unexpected task creation or task execution.
- Assess whether untrusted networks can reach backup client-server traffic.
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.
CVE-2017-11318 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tarlogic.com/advisories/Tarlogic-2017-002.txtCVE reference · x_refsource_MISC
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.