Read the docs
TI-2020-05847 Aliases CVE-2020-7240GHSA-924j-9954-rvrv

Meinberg Lantime M300 and M1000 devices allow attackers (with privileges to configure a…

Priority MEDIUM 43CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

Meinberg Lantime M300 and M1000 devices allow attackers (with privileges to configure a device) to execute arbitrary OS commands by editing the /config/netconf.cmd script (aka Extended Network Configuration). Note: According to the description, the vulnerability requires a fully authenticated super-user account using a webUI function that allows super users to edit a script supposed to execute OS commands. The given weakness enumeration (CWE-78) is not applicable in this case as it refers to abusing functions/input fields not supposed to be accepting OS commands by using 'Special Elements.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02437 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:meinbergglobal:lantime_m300_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMeinbergglobal
cpe:2.3:h:meinbergglobal:lantime_m300:-:*:*:*:*:*:*:*not specified by NVDRunning onMeinbergglobal
cpe:2.3:o:meinbergglobal:lantime_m1000_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMeinbergglobal
cpe:2.3:h:meinbergglobal:lantime_m1000:-:*:*:*:*:*:*:*not specified by NVDRunning onMeinbergglobal
  • cpe:2.3:o:meinbergglobal:lantime_m300_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Meinbergglobal
  • cpe:2.3:h:meinbergglobal:lantime_m300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Meinbergglobal
  • cpe:2.3:o:meinbergglobal:lantime_m1000_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Meinbergglobal
  • cpe:2.3:h:meinbergglobal:lantime_m1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Meinbergglobal

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-7240
  2. 2026-10-03 Alias added: GHSA-924j-9954-rvrv

References

Exploit 1

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences