Cisco Hyperflex HX-Series Software Weak Storage Vulnerability

published 2020-08-26 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24660

cvss: 4.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

A vulnerability in the installation component of Cisco Hyperflex HX-Series Software could allow an authenticated, local attacker to retrieve the password that was configured at installation on an affected device. The vulnerability exists because sensitive information is stored as clear text. An attacker could exploit this vulnerability by authenticating to an affected device and navigating to the directory that contains sensitive information. A successful exploit could allow the attacker to obtain sensitive information in clear text from the affected device.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.4	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	4.4	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

Cisco Cisco HyperFlex HX Data Platform

Classification

Weakness

CWE-310 Cryptographic Issues
CWE-311 Missing Encryption of Sensitive Data

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-HYP-WSV-yT3j5hSB
vendor-advisory

Sources

CVE List CVE-2020-3389
NVD CVE-2020-3389

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Summary