What is CVE-2019-1811?

CVE-2019-1811 is a medium-severity vulnerability in Cisco 9432pq, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.7/10. Published 2019-05-15.

How severe is CVE-2019-1811?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Cisco 9432pq

CVE-2019-1811

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device.

EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco 9432pq
Cisco 9536pq
Cisco 9636pq
Cisco 9736pq
Cisco Nx-os Software — versions unspecified
Cisco N9k-c9504-fm-r
Cisco N9k-c9508-fm-r
Cisco N9k-x9432c-s
Cisco N9k-x9464px
Cisco N9k-x9464tx2

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)

Frequently asked questions

What is CVE-2019-1811?: CVE-2019-1811 is a medium-severity vulnerability in Cisco 9432pq, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.7/10. Published 2019-05-15.
How severe is CVE-2019-1811?: Medium severity. CVSS v3 base score is 6.7 out of 10.