SARA / Free Tools / CVE / CVE-2019-1596

CVE-2019-1596 — A vulnerability in the Bash shell implementation for Cisco NX-OS Software could

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 sys

CVSS
7.8 HIGH
EPSS
0.15% (top 64.70%)
CWE
CWE-264
Published
2019-03-07T19:00:00.000Z
Last modified
2024-11-20T17:27:02.306Z
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
CiscoNexus 3000 Series Switchesunspecified
CiscoNexus 3500 Platform Switchesunspecified
CiscoNexus 3600 Platform Switchesunspecified
CiscoNexus 9000 Series Switches in Standalone NXOS Mode — unspecified
CiscoNexus 9500 RSeries Line Cards and Fabric Modules — unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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