Cisco NX-OS CLI Command Software Image Signature Verification Vulnerability (Cisco Cisco NX-OS Software)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.34 % Β· percentile 27 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
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 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.
Weaknesses (CWE)
- CWE-347 β Improper Verification of Cryptographic Signature
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 6.7 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | cisco |
| CVSS 3.1 | MEDIUM 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | NVD Β· nvd@nist.gov (Primary) |
| CVSS 3.0 | MEDIUM 6.7 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | NVD Β· psirt@cisco.com (Secondary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD Β· nvd@nist.gov (Primary) |
European references
- ENISA EUVD Β· EUVD-2019-10370
- GCVE Β· GCVE-0-2019-1813
Affected configurations (NVD CPE)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*β₯ 7.0\(3\)i1\(x\) < 7.0\(3\)i7\(5\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*β₯ 9.2 < 9.2\(2\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*β₯ 7.0\(3\) < 7.0\(3\)f3\(5\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*β₯ 9.2 < 9.2\(2\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*< 7.0\(3\)i7\(5\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*β₯ 9.2 < 9.2\(2\)
Affected products
| Product | Versions |
|---|---|
| Cisco Β· Cisco NX-OS Software | affected unspecified < 8.3(1) |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST β attribution requested |
| ENISA EUVD | ENISA β reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain β this product uses data from the NVD API but is not endorsed or certified by the NVD |