CVE-2017-12331
A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a…
Published 8 y ago · modified 4 mo ago · JSON
Summary
A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software patch. The vulnerability is due to insufficient NX-OS signature verification for software patches. An authenticated, local attacker could exploit this vulnerability to bypass signature verification and load a crafted, unsigned software patch 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: CSCvf16494, CSCvf23655.
Exploit prediction (EPSS)
0.23% probability of exploitation in the next 30 days, higher than 14% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.7 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Cisco NX-OS
Classification
- Weakness
- CWE-347 Improper Verification of Cryptographic Signature
References
- tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/102159 · vdb-entry, x_refsource_BID, x_transferred
- securitytracker.com /id/1039930 · vdb-entry, x_refsource_SECTRACK, x_transferred
Sources
- CVE List: CVE-2017-12331
- NVD: CVE-2017-12331
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