CVE-2019-19789 Null dereference in n/a
A NULL pointer dereference in CODESYS PLC software allows attackers to cause a denial of service condition.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-19789?
CVE-2019-19789 is a medium-severity vulnerability in n/a, published on 20 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2019-19789?
It affects 3 products.
Products include Codesys Plcwinnt, Codesys Runtime Toolkit, Codesys Sp Realtime Nt.
How do I fix CVE-2019-19789?
No fix has been published for CVE-2019-19789 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-19789 being exploited?
There is no known exploitation of CVE-2019-19789 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2022-31806 Insecure default settings in CODESYS Runtime Toolkit 32 bit full and CODESYS PLCWinNT
- CVE-2022-32137 CODESYS Runtime System prone to heap based buffer overflow
- CVE-2022-32138 CODESYS runtime system prone to denial of service due to Unexpected Sign Extension
- CVE-2022-32143 CODESYS runtime system prone to directory acces
- CVE-2022-1965 CODESYS runtime system prone to file deletion due to improper error handling
Sources
Also known as GHSA-9crr-pwpm-h268.