A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading…

Description

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software image. The vulnerability is due to insufficient NX-OS signature verification for software images. An authenticated, local attacker could exploit this vulnerability to bypass signature verification and load a crafted, unsigned software image on a targeted device. The attacker would need valid administrator credentials to perform this exploit. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Unified Computing System Manager. Cisco Bug IDs: CSCvf25045, CSCvf31495.

Scores

EPSS (exploitation in 30 days)

0.23% · top 86% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.

Weakness

• CWE-347 (opens in a new tab)All about CWE-347 and its CVEs

Affected products

• Cisco NX-OS

  • affected Cisco NX-OS

References (3)

• 102161 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos2 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1039933 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2017-12333](https://trackcve.app/badge/CVE-2017-12333.svg)](https://trackcve.app/cve/CVE-2017-12333)

Record last updated 5 Aug 2024, 18:36 UTC.