Security readout for executives and security teams
Plain-English summary
CVE-2017-12124 can let a remote attacker crash the web server on Moxa EDR-810 V4.1 build 17030317 by sending a crafted HTTP URI. The impact is service disruption, not data theft or code execution based on the provided sources.
Executive priority
Treat as high priority where affected devices support operational connectivity or remote management. The known impact is denial of service, so urgency depends on whether a web server crash disrupts monitoring, administration, or connected operations.
Technical view
The flaw is a null pointer dereference in the Moxa EDR-810 web server. CVSS 3.0 is 7.5: network reachable, low complexity, no privileges, no user interaction, unchanged scope, and high availability impact only.
Likely exposure
Exposure is limited to Moxa EDR-810 V4.1 build 17030317 systems with the web server reachable by untrusted networks. Internet-facing or broadly reachable management interfaces carry the highest business risk.
Exploitation context
The source bundle states an attacker can send a crafted HTTP URI to trigger a crash. CISA KEV status is false, and no provided source states active exploitation in the wild.
Researcher notes
Evidence supports a remotely triggerable web server null pointer dereference. The provided sources do not name a fixed version, workaround, CWE, public exploit status, or active exploitation. Avoid assuming broader Moxa product exposure beyond the listed version/build.
Mitigation direction
- Identify any Moxa EDR-810 V4.1 build 17030317 deployments.
- Check Moxa or Talos guidance for fixed firmware or vendor workarounds.
- Restrict web server access to trusted management networks only.
- Remove internet exposure for affected management interfaces.
- Monitor for web server crashes and unexpected URI activity.
Validation and detection
- Inventory device model, firmware version, and build number.
- Confirm whether the web server is reachable from untrusted networks.
- Review availability incidents involving the device web server.
- Check logs for malformed or unusual URI requests before crashes.
- Track vendor guidance for confirmed remediation status.
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-2017-12124 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
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0476CVE 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.