CVE-2018-14816: advantech advantech_webaccess Stack-based Buffer Overflow
CVSS: 9.8v3.1CriticalModified
Published 23-10-2018Last modified 17-09-2024
Vulnerability summary
CVE-2018-14816 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in advantech advantech_webaccess. EPSS estimates a 4.13% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
4.13%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-10-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.13%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.13% on 21-09-2026
21-09-202621-10-2026
EPSS score4.13%
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
Advantech2 products
- advantech_webaccessWebAccess Versions 8.3.1 and prior
- webaccess≤ 8.3.1
1 vendor · 2 products
References
3 links- ics-cert.us-cert.gov/advisories/ICSA-18-296-01%2CX Refsource MISC