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).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.44% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- meinbergglobal/lantime m300 firmware · meinbergglobal/lantime m1000 firmware
- Source
- cve@mitre.org
References
- https://sku11army.blogspot.com/2020/01/heinberg-lantime-m1000-rce.htmlThird Party Advisory
- https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.htmlExploit, Third Party Advisory
- https://wolke.meinberg.de/index.php/s/dKP3PKgFXS6sPRE#pdfviewer
- https://sku11army.blogspot.com/2020/01/heinberg-lantime-m1000-rce.htmlThird Party Advisory
- https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.htmlExploit, Third Party Advisory
- https://wolke.meinberg.de/index.php/s/dKP3PKgFXS6sPRE#pdfviewer
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.