SARA / Free Tools / CVE / CVE-2019-1593

CVE-2019-1593 — 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 by executing commands authorized to other user roles. The attacker must authenticate with valid user credentials. The vulnerabi

CVSS
7.8 HIGH
EPSS
0.15% (top 64.90%)
CWE
CWE-264
Published
2019-03-06T22:00:00.000Z
Last modified
2024-11-20T17:27:13.520Z
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 by executing commands authorized to other user roles. The attacker must authenticate with valid user credentials. The vulnerability is due to the incorrect implementation of a Bash shell command that allows role-based access control (RBAC) to be…

02Affected products

VendorProductVersions
CiscoNexus 3000 Series Switchesunspecified
CiscoNexus 3500 Platform Switchesunspecified
CiscoNexus 3600 Platform Switchesunspecified
CiscoNexus 7000 and 7700 Series Switchesunspecified
CiscoNexus 9000 Series Fabric Switches in ACI Modeunspecified, unspecified
CiscoNexus 9000 Series Switches in Standalone NXOS Mode — unspecified, 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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