Vulnerability Details : CVE-2019-6550
Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple stack-based buffer overflow vulnerabilities, caused by a lack of proper validation of the length of user-supplied data, may allow remote code execution.
Vulnerability category: OverflowMemory CorruptionExecute code
Products affected by CVE-2019-6550
- cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-6550
3.61%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-6550
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-6550
-
A 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).Assigned by: ics-cert@hq.dhs.gov (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-6550
-
https://www.zerodayinitiative.com/advisories/ZDI-19-585/
ZDI-19-585 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://ics-cert.us-cert.gov/advisories/ICSA-19-092-01
Advantech WebAccess/SCADA | CISAThird Party Advisory;US Government Resource
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