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CVE-2019-12621

HIGHCVSS 7.4/10EPSS 0.38%

Last modified

CVE-2019-12621 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.4/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.38%

29.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoHyperflex Hx220c M5 Firmware3.0\(1a\)
CiscoHyperflex Hx220c M5 Firmware3.5\(2a\)
CiscoHyperflex Hx240c M5 Firmware3.0\(1a\)
CiscoHyperflex Hx240c M5 Firmware3.5\(2a\)
CiscoHyperflex Hx220c Af M5 Firmware3.0\(1a\)
CiscoHyperflex Hx220c Af M5 Firmware3.5\(2a\)
CiscoHyperflex Hx240c Af M5 Firmware3.0\(1a\)
CiscoHyperflex Hx240c Af M5 Firmware3.5\(2a\)
CiscoHyperflex Hx220c Edge M5 Firmware3.0\(1a\)
CiscoHyperflex Hx220c Edge M5 Firmware3.5\(2a\)

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-12621?
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.
How severe is CVE-2019-12621?
CVE-2019-12621 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12621?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12621?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST