Vulnerability in Cisco Nx-Os
CVE-2017-12351
A vulnerability in the guest shell feature of Cisco NX-OS System Software could allow an authenticated, local attacker to read and send packets outside the scope of the guest shell container. An attacker would need valid administrator credentials to perform this attack. The vulnerability is due to insufficient internal security measures in the guest shell feature. An attacker could exploit this vulnerability by sending or receiving packets on the device-internal network outside of the guest shell container, aka "Unauthorized Internal Interface Access." This vulnerability affects the following products running Cisco NX-OS System Software: Nexus 3000 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCvf33038.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (25.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Cisco Nx-Os — versions 8.1\(0\)bd\(0.20\), 7.0\(3\)i7\(1\), 7.0(3)i7(1)
- Cisco Nx-Os — versions Cisco NX-OS
Weakness classification (CWE)
References
- www.securityfocus.com/bid/102019 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1039932 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129… (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12351?
- CVE-2017-12351 is a medium-severity vulnerability in Cisco Nx-Os, classified under CWE-264. CVSS score: 5.7/10. Published 2017-11-30.
- How severe is CVE-2017-12351?
- Medium severity. CVSS v3 base score is 5.7 out of 10.