CVE-2018-7499: advantech webaccess Stack-based Buffer Overflow
Vulnerability summary
CVE-2018-7499 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in advantech webaccess. EPSS estimates a 3.74% chance of exploitation in the next 30 days, higher than 89.7% of scored vulnerabilities.
Timeline
- 15-05-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, several stack-based buffer overflow vulnerabilities have been identified, which may allow an attacker to execute arbitrary code.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.74%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.74% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Advantech4 products
- webaccessWebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, WebAccess/NMS 2.0.3 and prior. | ≤ 8.2_20170817 | ≤ 8.3.0
- webaccess_dashboard≤ 2.0.15
- webaccess_scada< 8.3.1
- webaccess\/nms≤ 2.0.3
1 vendor · 4 products
References
2 links- ics-cert.us-cert.gov/advisories/ICSA-18-135-01X Refsource MISCThird Party AdvisoryUS Government Resource