SARA / Free Tools / CVE / CVE-2019-1836

CVE-2019-1836 — A vulnerability in the system shell for Cisco Nexus 9000 Series Fabric Switches

A vulnerability in the system shell for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an authenticated, local attacker to use symbolic links to overwrite system files. These system files may be sensitive and should not be ove

CVSS
5.5 MEDIUM
EPSS
0.20% (top 58.70%)
CWE
CWE-22
Published
2019-05-03T16:30:16.269Z
Last modified
2024-11-21T19:34:07.764Z
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

01What is this vulnerability?

A vulnerability in the system shell for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an authenticated, local attacker to use symbolic links to overwrite system files. These system files may be sensitive and should not be overwritable by non-root users. The attacker would need valid device credentials. The vulnerability is due to incorrect…

02Affected products

VendorProductVersions
CiscoCisco NXOS Software for Nexus 9000 Series Fabric Switches ACI Mode — 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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