SARA / Free Tools / CVE / CVE-2023-20115

CVE-2023-20115 — A vulnerability in the SFTP server implementation for Cisco Nexus 3000 Series Sw

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 v

CVSS
5.4 MEDIUM
EPSS
0.31% (top 46.30%)
CWE
CWE-671
Published
2023-08-23T18:20:34.184Z
Last modified
2024-10-02T18:56:36.940Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
CiscoCisco NXOS Software — 9.2(1), 9.2(2), 9.2(2t), 9.2(3), 9.2(4), 9.2(2v), 9.3(1), 9.3(2), 9.3(3), 9.3(4), 9.3(5), 9.3(6), 9.3(7), 9.3(7a), 9.3(8), 9.3(9), 9.3(10), 9.3(11), 10.1(1), 10.1(2), 10.1(2t), 10.2(1), 10.2(1q), 10.2(2), 10.2(3), 10.2(3t), 10.2(4), 10.2(5), 10.3(1), 10.3(2)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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