CVE-2019-1813: Cisco NX-OS CLI Command Software Image Signature Verification Vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2019-1813?
The severity of CVE-2019-1813 is classified as high, as it allows an authenticated, local attacker to install a malicious software image on affected devices.
How do I fix CVE-2019-1813?
To fix CVE-2019-1813, upgrade to a fixed Cisco NX-OS software version as outlined in the Cisco security advisory.
Which versions of Cisco NX-OS are affected by CVE-2019-1813?
CVE-2019-1813 affects Cisco NX-OS versions between 7.0(3)i1(x) and 7.0(3)i7(5), as well as certain versions up to 9.2(2).
What type of attack can be performed using CVE-2019-1813?
An attacker exploiting CVE-2019-1813 can install unauthorized software images, which may lead to device compromise.
Are there any specific mitigation steps for CVE-2019-1813?
The primary mitigation for CVE-2019-1813 is to ensure that devices are running the updated software versions that address the vulnerability.