CVE-2019-3951 Memory corruption in Advantech WebAccess/SCADA
Unauthenticated remote attackers can execute arbitrary code or cause denial of service via stack-based buffer overflow in Advantech WebAccess SCADA.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-3951?
CVE-2019-3951 is a critical memory corruption vulnerability in Advantech Webaccess, published on 12 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2019-3951?
It affects 1 product.
Products include Advantech Webaccess.
How do I fix CVE-2019-3951?
No fix has been published for CVE-2019-3951 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-3951 being exploited?
There is no known exploitation of CVE-2019-3951 in the wild and no public exploit code.
Other vulnerabilities in Advantech Webaccess
- CVE-2014-9208 Multiple stack-based buffer overflows in unspecified DLL files in Advantech WebAccess before 8.0.1 allow remote attackers to execute arbitra
- CVE-2021-33023 Advantech WebAccess
- CVE-2021-38389 Advantech WebAccess
- CVE-2021-38408 Memory corruption in Advantech WebAccess
- CVE-2020-12019 Memory corruption in WebAccess Node
Sources
Also known as GHSA-2m64-whjh-g4f5.