What is CVE-2018-6911?

CVE-2018-6911 is a critical-severity vulnerability in Advantech Webaccess, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-02-13.

How severe is CVE-2018-6911?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Advantech Webaccess

CVE-2018-6911

The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote attackers to execute arbitrary OS commands via a single argument (aka the command parameter).

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.128 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Advantech Webaccess — versions 8.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)

Frequently asked questions

What is CVE-2018-6911?: CVE-2018-6911 is a critical-severity vulnerability in Advantech Webaccess, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-02-13.
How severe is CVE-2018-6911?: Critical severity. CVSS v3 base score is 9.8 out of 10.