Vulnerability Details : CVE-2019-3951
Potential exploit
Advantech WebAccess before 8.4.3 allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service (memory corruption) due to a stack-based buffer overflow when handling IOCTL 70533 RPC messages.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Products affected by CVE-2019-3951
- cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-3951
11.84%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3951
| 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-2019-3951
-
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: vulnreport@tenable.com (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-2019-3951
-
https://www.tenable.com/security/research/tra-2019-52
Advantech WebAccess/SCADA Stack Buffer Overflow - Research Advisory | Tenable®Exploit;Third Party Advisory
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