Cisco Nexus 3000/Nexus 9000 Enable Secret improper authorization

CVSS Meta Temp Score
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7.5$0-$5k0.00

A vulnerability, which was classified as critical, was found in Cisco Nexus 3000 and Nexus 9000 (affected version unknown). Affected is an unknown functionality of the component Enable Secret Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the Enable Secret feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, local attacker to issue the enable command and get full administrative privileges. To exploit this vulnerability, the attacker would need to have valid credentials for the affected device. The vulnerability is due to a logic error in the implementation of the enable command. An attacker could exploit this vulnerability by logging in to the device and issuing the enable command. A successful exploit could allow the attacker to gain full administrative privileges without using the enable password. Note: The Enable Secret feature is disabled by default.

The weakness was disclosed 08/27/2020 as cisco-sa-n3n9k-priv-escal-3QhX as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2020-3394 since 12/12/2019. The attack needs to be approached locally. The successful exploitation needs a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading eliminates this vulnerability.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
ATT&CK: T1548.002

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2019 🔍
08/27/2020 +259 days 🔍
08/28/2020 +1 days 🔍
11/11/2020 +75 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-n3n9k-priv-escal-3QhX
Status: Confirmed

CVE: CVE-2020-3394 (🔍)

Entryinfo

Created: 08/28/2020 08:47
Updated: 11/11/2020 17:37
Changes: 08/28/2020 08:47 (39), 08/28/2020 08:52 (11), 11/11/2020 17:37 (1)
Complete: 🔍

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