Medium severity · published Nov 30, 2017
CVE-2017-12334
A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack
6.7
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. An attacker would need valid administrator credentials to perform this exploit. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command. An exploit could allow the attacker to execute arbitrary commands as root. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, Unified Computing System Manager. Cisco Bug IDs: CSCvf15113, CSCvf15122, CSCvf15125, CSCvf15131, CSCvf15143, CSCvg04088.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NX
Nx-os · Cisco
6.0(2)a8(3); 7.0(0)hsk(0.357); 8.1(0)bd(0.20); 8.1(0.59)s0; 8.1(1) · source: NVD
UC
Unified Computing System · Cisco
7.0(0)hsk(0.357) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12334
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12334
www.securityfocus.com
http://www.securityfocus.com/bid/102162
Third Party Advisory
http://www.securitytracker.com/id/1039934
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos3
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