CVE-2019-12621

Cisco HyperFlex Static SSL Key Vulnerability

Severity Score

7.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad en el software Cisco HyperFlex podría permitir que un atacante remoto no autenticado realice un ataque man-in-the-middle. La vulnerabilidad se debe a una gestión de claves insuficiente. Un atacante podría aprovechar esta vulnerabilidad al obtener una clave de cifrado específica para el clúster. Una explotación exitosa podría permitir al atacante realizar un ataque de hombre en el medio contra otros nodos en el clúster.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-06-04 CVE Reserved
2019-08-21 CVE Published
2023-05-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-320: Key Management Errors
CWE-327: Use of a Broken or Risky Cryptographic Algorithm

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-hyperflex-sslkey	2021-10-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Hyperflex Hx220c M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx220c M5 Firmware"	3.0\(1a\) Search vendor "Cisco" for product "Hyperflex Hx220c M5 Firmware" and version "3.0\(1a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx220c M5 Search vendor "Cisco" for product "Hyperflex Hx220c M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx220c M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx220c M5 Firmware"	3.5\(2a\) Search vendor "Cisco" for product "Hyperflex Hx220c M5 Firmware" and version "3.5\(2a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx220c M5 Search vendor "Cisco" for product "Hyperflex Hx220c M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx240c M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx240c M5 Firmware"	3.0\(1a\) Search vendor "Cisco" for product "Hyperflex Hx240c M5 Firmware" and version "3.0\(1a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx240c M5 Search vendor "Cisco" for product "Hyperflex Hx240c M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx240c M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx240c M5 Firmware"	3.5\(2a\) Search vendor "Cisco" for product "Hyperflex Hx240c M5 Firmware" and version "3.5\(2a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx240c M5 Search vendor "Cisco" for product "Hyperflex Hx240c M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx220c Af M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx220c Af M5 Firmware"	3.0\(1a\) Search vendor "Cisco" for product "Hyperflex Hx220c Af M5 Firmware" and version "3.0\(1a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx220c Af M5 Search vendor "Cisco" for product "Hyperflex Hx220c Af M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx220c Af M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx220c Af M5 Firmware"	3.5\(2a\) Search vendor "Cisco" for product "Hyperflex Hx220c Af M5 Firmware" and version "3.5\(2a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx220c Af M5 Search vendor "Cisco" for product "Hyperflex Hx220c Af M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx240c Af M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx240c Af M5 Firmware"	3.0\(1a\) Search vendor "Cisco" for product "Hyperflex Hx240c Af M5 Firmware" and version "3.0\(1a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx240c Af M5 Search vendor "Cisco" for product "Hyperflex Hx240c Af M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx240c Af M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx240c Af M5 Firmware"	3.5\(2a\) Search vendor "Cisco" for product "Hyperflex Hx240c Af M5 Firmware" and version "3.5\(2a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx240c Af M5 Search vendor "Cisco" for product "Hyperflex Hx240c Af M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx220c Edge M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx220c Edge M5 Firmware"	3.0\(1a\) Search vendor "Cisco" for product "Hyperflex Hx220c Edge M5 Firmware" and version "3.0\(1a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx220c Edge M5 Search vendor "Cisco" for product "Hyperflex Hx220c Edge M5"	-	-	Safe
Cisco Search vendor "Cisco"	Hyperflex Hx220c Edge M5 Firmware Search vendor "Cisco" for product "Hyperflex Hx220c Edge M5 Firmware"	3.5\(2a\) Search vendor "Cisco" for product "Hyperflex Hx220c Edge M5 Firmware" and version "3.5\(2a\)"	-	Affected	in	Cisco Search vendor "Cisco"	Hyperflex Hx220c Edge M5 Search vendor "Cisco" for product "Hyperflex Hx220c Edge M5"	-	-	Safe