CVE-2019-1809
Description
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 patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.
Risk Information
Base Score
6.7
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.023
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability For Cisco NX-OS Software | NCM |
| Improper Verification of Cryptographic Signature Vulnerability (CVE-2019-1809) | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1706149 | Security Update for Cisco NX-OS Software 4.1(3a)UCSM |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234