CVE-2019-1809
Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability
- State
- Published
- Severity
- 6.4 Medium
- Published
- May 15, 2019
- Updated
- Nov 20, 2024
- Reserved
- Dec 6, 2018
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 6.4 Medium | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | cisco |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Cisco NX-OS SoftwareCisco |
|
References
- 20190515 Cisco NX-OS Software Patch Signature Verification Bypass Vulnerabilityvendor-advisory
- 108375vdb-entry
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.