CVE-2019-1596
highpriority · track · 31EPSS 0.003 · 27 %ileEURUUSEPSS · scored 2026-10-27
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).
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixed6.1(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I1(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I1(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I1(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I2(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I2(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I2(2a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I2(2b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I2(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(3a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(4)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(4a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(4b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(4c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(4d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(4e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(5)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(5a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1(2)I3(5b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(2)I2(2c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F1(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F2(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F2(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F3(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F3(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F3(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F3(3a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)F3(4)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I1(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I1(1a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I1(1b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I1(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I1(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I1(3a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I1(3b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(2a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(2b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(2c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(2d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(2e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(4)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I2(5)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I3(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(4)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(5)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(6)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(7)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(8)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(8a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(8b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I4(8z)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I5(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I5(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I6(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I6(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I7(1)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I7(2)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0(3)I7(3)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (80)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-20190306-nxos-peCisco NX-OS Software Bash Shell Privilege Escalation Vulnerability2019-03-06csaf · cisco_csafUS
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-pe ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-pe"] This advisory is part of the March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication, which includes 25 Cisco Security Advisories that describe 26 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-70757"].
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- http://www.securityfocus.com/bid/107340cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-1596cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nx-os-bash-escalcnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-pecnnvd
- https://vigilance.fr/vulnerability/Cisco-NX-OS-Nexus-multiple-vulnerabilities-28681cnnvd
- https://www.auscert.org.au/bulletins/76614cnnvd
- https://www.securityfocus.com/bid/107340cnnvd
- http://www.securityfocus.com/bid/107340enisa_euvd
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