Vulnerability · Published Apr 6, 2021 · Assigned by twcert

CVE-2021-28185ASUS BMC's firmware: buffer overflow - ActiveX configuration-1 acquisition

Medium 4.9

In plain English

A medium-severity buffer overflow in BMC firmware for ASMB8-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 specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-1 acquisition) 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