CVE-2021-33903

Published: Oct 7, 2021Modified: Jun 17, 2026

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

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.)

Affected (5)

Products: Lancom Systems: Lcos

Lancom Systems

1 product

Lcos

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Lancom Systems Lcos	From 10.40 to 10.42.0473
Lancom Systems Lcos	Version 10.42.0473
Lancom Systems Lcos	Version 10.42.0473 release_update1
Lancom Systems Lcos	Version 10.42.0473 release_update2
Lancom Systems Lcos	Version 10.42.0473 release_update3

References (2)

https://www.nmedv.de/wp-content/uploads/2021/10/NME-2021-001.txt

Source: cve@mitre.org

Third Party Advisory

https://www.nmedv.de/wp-content/uploads/2021/10/NME-2021-001.txt

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.