Threat Investigation
Request a demo

CVE-2021-33903

High

Description

In LCOS 10.40 to 10.42.0473-RU3 with SNMPv3 enabled on LANCOM devices, changing the password of the root user via the CLI does not change the password of the root user for SNMPv3 access. (However, changing the password of the root user via LANconfig does change the password of the root user for SNMPv3 access.)

SeverityHigh
CVSS8.8
Exploit probability—
ProductLancom-systems Lcos
PublishedOct 7, 2021
First seenOct 7, 2021

How to fix

Update
  • lancom-systems lcos10.42.0473 or later

Affected products

ProductAffected versionsFixed in
lancom-systems lcos10.40 ≤ v < 10.42.0473, 10.42.047310.42.0473

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.