Vulnerability · Published Aug 2, 2021 · Assigned by CERTVDE
CVE-2021-33527OS Command Injection in mbDIALUP <= 3.9R0.0
Critical 9.8
In plain English
A critical-severity improper input validation 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 4.5% (higher than 92% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)4.5%top 8.4% 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 remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\SYSTEM that will not correctly validate the input. This can lead to an 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-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://cert.vde.com/de-de/advisories/vde-2021-017 x_refsource_CONFIRM