What is CVE-2018-15704?

CVE-2018-15704 is a high-severity vulnerability in Advantech Webaccess, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-10-22.

How severe is CVE-2018-15704?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-15704 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Advantech Webaccess

CVE-2018-15704

Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability by sending a crafted HTTP request to broadweb/system/opcImg.asp.

Vulnerability class: Buffer Overflow

EPSS: 0.215 (97.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Advantech Webaccess — versions 8.3.2 and below
Advantech Webaccess

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-15704?: CVE-2018-15704 is a high-severity vulnerability in Advantech Webaccess, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-10-22.
How severe is CVE-2018-15704?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-15704 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.