VulnerabilityModified

CVE-2019-12621

A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack.

HIGH 7.4EPSS 0.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.38% probability · 31th percentile
CISA KEV: Not listed
Weakness: CWE-320, CWE-327
Affected: cisco/hyperflex hx220c m5 firmware · cisco/hyperflex hx240c m5 firmware · cisco/hyperflex hx220c af m5 firmware · cisco/hyperflex hx240c af m5 firmware · cisco/hyperflex hx220c edge m5 firmware
Source: psirt@cisco.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.