CVE-2019-12621: Cisco HyperFlex Static SSL Key Vulnerability

Published Aug 21, 2019
·
Updated

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.

Affected Software

15 affected components
Cisco Hyperflex Hx220c M5 Firmware=3.0\(1a\)
Cisco Hyperflex Hx220c M5 Firmware=3.5\(2a\)
Cisco Hyperflex Hx220c M5
Cisco Hyperflex Hx240c M5 Firmware=3.0\(1a\)
Cisco Hyperflex Hx240c M5 Firmware=3.5\(2a\)
Cisco Hyperflex Hx240c M5
Cisco Hyperflex Hx220c Af M5 Firmware=3.0\(1a\)
Cisco Hyperflex Hx220c Af M5 Firmware=3.5\(2a\)
Cisco Hyperflex Hx220c Af M5
Cisco Hyperflex Hx240c Af M5 Firmware=3.0\(1a\)
Cisco Hyperflex Hx240c Af M5 Firmware=3.5\(2a\)
Cisco Hyperflex Hx240c Af M5
Cisco Hyperflex Hx220c Edge M5 Firmware=3.0\(1a\)
Cisco Hyperflex Hx220c Edge M5 Firmware=3.5\(2a\)
Cisco Hyperflex Hx220c Edge M5

Event History

Aug 21, 2019
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2019-12621?

CVE-2019-12621 is a vulnerability in Cisco HyperFlex Software that allows an unauthenticated remote attacker to perform a man-in-the-middle attack.

2

How severe is CVE-2019-12621?

CVE-2019-12621 has a severity rating of 7.4 (high).

3

What is the affected software for CVE-2019-12621?

The affected software for CVE-2019-12621 is Cisco HyperFlex Software versions 3.0(1a) and 3.5(2a).

4

How can an attacker exploit CVE-2019-12621?

An attacker can exploit CVE-2019-12621 by obtaining a specific encryption key for the cluster.

5

Is Cisco HyperFlex HX vulnerable to CVE-2019-12621?

No, Cisco HyperFlex HX is not vulnerable to CVE-2019-12621.

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