Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability (Cisco Nexus 3000 Series Switches)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.33 % · percentile 27 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
Description
A vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to escalate their privilege level to root. The attacker must authenticate with valid user credentials. The vulnerability is due to incorrect permissions of a system executable. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the Bash prompt. A successful exploit could allow the attacker to escalate their privilege level to root. Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).
Weaknesses (CWE)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | HIGH 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | cisco |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | HIGH 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@cisco.com (Secondary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2019-10153
- GCVE · GCVE-0-2019-1596
CERT-FR advisories
- CERTFR-2019-AVI-092 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*< 7.0\(3\)i4\(9\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.0\(3\)i5 < 7.0\(3\)i7\(4\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.0\(3\)i7 < 7.0\(3\)i7\(4\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.0\(3\)f3\(1\) < 7.0\(3\)f3\(5\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*< 7.0\(3\)i4\(9\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.0\(3\)i5 < 7.0\(3\)i7\(4\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.0\(3\)f3\(1\) < 7.0\(3\)f3\(5\)
Affected products
| Product | Versions |
|---|---|
| Cisco · Nexus 3000 Series Switches | affected unspecified < 7.0(3)I7(4) |
| Cisco · Nexus 3500 Platform Switches | affected unspecified < 7.0(3)I7(4) |
| Cisco · Nexus 3600 Platform Switches | affected unspecified < 7.0(3)F3(5) |
| Cisco · Nexus 9000 Series Switches in Standalone NX-OS Mode | affected unspecified < 7.0(3)I7(4) |
| Cisco · Nexus 9500 R-Series Line Cards and Fabric Modules | affected unspecified < 7.0(3)F3(5) |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |