CVE-2020-29057 Denial of service in n/a
Remote attackers can cause a denial of service by sending random bytes to the telnet server on CDATA network devices.
- 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-2020-29057?
CVE-2020-29057 is a high-severity denial of service vulnerability in n/a, published on 24 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices. It allows remote attackers to cause a denial of service (reboot) by sending random bytes to the telnet server on port 23, aka a "shawarma" attack.
Which versions are affected by CVE-2020-29057?
It affects 28 products.
Products include Cdatatec 72408a Firmware, Cdatatec 9008a Firmware, Cdatatec 9016a Firmware, Cdatatec 92408a Firmware, Cdatatec 92416a Firmware, Cdatatec 9288 Firmware and 22 more.
How do I fix CVE-2020-29057?
No fix has been published for CVE-2020-29057 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-2020-29057 being exploited?
There is no known exploitation of CVE-2020-29057 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-h8fc-h6j5-v645.