CVE-2018-15704: advantech advantech_webaccess Out-of-bounds Write
CVSS: 9.0v2.0HighModified
Published 22-10-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-15704 is a high (CVSS 9.0) Out-of-bounds Write vulnerability in advantech advantech_webaccess. EPSS estimates a 21.54% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
21.54%
0%100%
High · +5.31 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 22-10-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
21.54%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
+5.31 pp
From 16.23% on 21-09-2026
21-09-202621-10-2026
EPSS score21.54%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (tenable.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Advantech2 products
- advantech_webaccess8.3.2 and below
- webaccess≤ 8.3.2
1 vendor · 2 products