CVE-2020-16139 Denial of service in n/a
Attackers can remotely restart Cisco Unified IP Conference Stations via crafted packets, though the vulnerability is unproven and the product is end-of-life.
- 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-2020-16139?
CVE-2020-16139 is a high-severity denial of service vulnerability in n/a, published on 12 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0 through 1-4-5-7 allows attackers restart the device remotely through sending specially crafted packets. Note: We cannot prove this vulnerability exists. Out of an abundance of caution, this CVE is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded. For more information on this, and how to upgrade, refer to the CVE’s reference information
Which versions are affected by CVE-2020-16139?
It affects 1 product.
Products include Cisco Unified Ip Conference Station 7937g Firmware.
How do I fix CVE-2020-16139?
No fix has been published for CVE-2020-16139 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-2020-16139 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-16139 exists.
Public exploit code: 1 Metasploit module and 1 Nuclei template.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8c2f-jx3v-cm8h.