Vulnerability Details : CVE-2020-7240
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.
Products affected by CVE-2020-7240
- cpe:2.3:o:meinbergglobal:lantime_m300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:meinbergglobal:lantime_m1000_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7240
3.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7240
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-7240
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7240
-
https://wolke.meinberg.de/index.php/s/dKP3PKgFXS6sPRE#pdfviewer
Nextcloud
-
https://sku11army.blogspot.com/2020/01/heinberg-lantime-m1000-rce.html
Skull ArmyThird Party Advisory
-
https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.html
Skull ArmyExploit;Third Party Advisory
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