Vulnerability identifier: #VU72513

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20016

CWE-ID: CWE-320

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco UCS Manager
Client/Desktop applications / Software for system administration
Firepower 4100 Series Security Appliances
Hardware solutions / Routers & switches, VoIP, GSM, etc
UCS 6200 Series Fabric Interconnects
Hardware solutions / Routers & switches, VoIP, GSM, etc
UCS 6300 Series Fabric Interconnects
Hardware solutions / Routers & switches, VoIP, GSM, etc
UCS 6400 Series Fabric Interconnects
Hardware solutions / Routers & switches, VoIP, GSM, etc
UCS 6500 Series Fabric Interconnects
Hardware solutions / Routers & switches, VoIP, GSM, etc
Cisco Firepower 9300 Security Appliance
Hardware solutions / Security hardware applicances
Cisco FXOS
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to a weakness in the encryption method used for the backup function. A local attacker can decrypt sensitive information that is stored in full state and configuration backup files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco UCS Manager: 4.0 - 4.2

Firepower 4100 Series Security Appliances: All versions

Cisco Firepower 9300 Security Appliance: All versions

UCS 6200 Series Fabric Interconnects: All versions

UCS 6300 Series Fabric Interconnects: All versions

UCS 6400 Series Fabric Interconnects: All versions

UCS 6500 Series Fabric Interconnects: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsm-bkpsky-H8FCQgsA

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.