CVE-2019-12621 Cisco HyperFlex Static SSL Key Vulnerability
An unauthenticated remote attacker can perform man-in-the-middle attacks against cluster nodes due to insufficient key management in Cisco HyperFlex.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-12621?
CVE-2019-12621 is a medium-severity vulnerability in Cisco HyperFlex HX-Series, published on 21 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A successful exploit could allow the attacker to perform a man-in-the-middle attack against other nodes in the cluster.
Which versions are affected by CVE-2019-12621?
It affects 5 products.
Products include Cisco Hyperflex Hx220c Af M5 Firmware, Cisco Hyperflex Hx220c Edge M5 Firmware, Cisco Hyperflex Hx220c M5 Firmware, Cisco Hyperflex Hx240c Af M5 Firmware, Cisco Hyperflex Hx240c M5 Firmware.
How do I fix CVE-2019-12621?
No fix has been published for CVE-2019-12621 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-12621 being exploited?
There is no known exploitation of CVE-2019-12621 in the wild and no public exploit code.
Other vulnerabilities in Cisco HyperFlex HX-Series
Sources
Also known as GHSA-mghj-97x2-4v8w.