Vulnerability CVE-2019-12621


Published: 2019-08-21

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.

Type:

CWE-320

(Key Management Errors)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
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 

 References:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-hyperflex-sslkey

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