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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.215 (97.5th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-15704: held from 0.215 to 0.215.

EPSS over last 30 days · oldest: 0.215 · newest: 0.215 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.