Vulnerability · Published Apr 6, 2021 · Assigned by twcert

CVE-2021-28197ASUS BMC's firmware: buffer overflow - Active Directory configuration function

Medium 4.9

In plain English

A medium-severity buffer overflow in BMC firmware for ASMB9-iKVM from ASUS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).

Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)1.9%top 20.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

The Active Directory configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.

Affected products (as reported)

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References