CVE-2021-25909 ZIV AUTOMATION 4CCT Denial of Service vulnerability
Unauthenticated remote attackers can cause a denial of service on ZIV Automation 4CCT devices by sending specific packets to port 7919.
- 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-2021-25909?
CVE-2021-25909 is a high-severity denial of service vulnerability in ZIV AUTOMATION 4CCT-EA6-334126BF, published on 29 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ZIV Automation 4CCT-EA6-334126BF firmware version 3.23.80.27.36371, allows an unauthenticated, remote attacker to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending specific packets to the port 7919.
Weakness: CWE-400
Which versions are affected by CVE-2021-25909?
It affects 1 product.
Products include Zivautomation 4cct-Ea6-334126bf Firmware.
How do I fix CVE-2021-25909?
No fix has been published for CVE-2021-25909 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-25909 being exploited?
There is no known exploitation of CVE-2021-25909 in the wild and no public exploit code.
Other vulnerabilities in ZIV AUTOMATION 4CCT-EA6-334126BF
Sources
Also known as GHSA-72wr-xhp6-g67f.