Cisco Nexus 3000/Nexus 9000 SFTP Server privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco Nexus 3000 and Nexus 9000. The affected element is an unknown function of the component SFTP Server. The manipulation results in an unknown weakness. This vulnerability is known as CVE-2023-20115. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Cisco Nexus 3000 and Nexus 9000 (the affected version unknown). Affected is an unknown part of the component SFTP Server. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the SFTP server implementation for Cisco Nexus 3000 Series Switches and 9000 Series Switches in standalone NX-OS mode could allow an authenticated, remote attacker to download or overwrite files from the underlying operating system of an affected device. This vulnerability is due to a logic error when verifying the user role when an SFTP connection is opened to an affected device. An attacker could exploit this vulnerability by connecting and authenticating via SFTP as a valid, non-administrator user. A successful exploit could allow the attacker to read or overwrite files from the underlying operating system with the privileges of the authenticated user. There are workarounds that address this vulnerability.

The weakness was published 08/23/2023 as cisco-sa-nxos-sftp-xVAp5Hfd. The advisory is available at sec.cloudapps.cisco.com. This vulnerability is traded as CVE-2023-20115 since 10/27/2022. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
08/23/2023 +300 days 🔍
08/23/2023 +0 days 🔍
08/23/2023 +0 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-nxos-sftp-xVAp5Hfd
Status: Confirmed

CVE: CVE-2023-20115 (🔍)
GCVE (CVE): GCVE-0-2023-20115
GCVE (VulDB): GCVE-100-237870

Entryinfo

Created: 08/23/2023 23:31
Changes: 08/23/2023 23:31 (47)
Complete: 🔍
Cache ID: 216::103

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