Vulnerability · Published Aug 2, 2021 · Assigned by CERTVDE
CVE-2021-33526Privilege escalation in mbDIALUP <= 3.9R0.0
High 7.8
In plain English
A high-severity privilege mismanagement in mbDIALUP from MB connect line. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In MB connect line mbDIALUP versions <= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MB connect line | mbDIALUP | 3.9R0.0 – through 3.9R0.0 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://cert.vde.com/de-de/advisories/vde-2021-017 x_refsource_CONFIRM