Cyber Resilience

CVE-2023-20115

Medium

Published: 23 August 2023

Published
23 August 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS Score 0.0046 64.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-20115 is a medium-severity Lack of Administrator Control over Security (CWE-671) vulnerability in Cisco Nx-Os. Its CVSS base score is 5.4 (Medium).

Operationally, ranked in the top 35.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
nx-os
10.1\(1\), 10.1\(2\), 10.1\(2t\), 10.2\(1\), 10.2\(1q\)

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References