CVE-2021-1384
Cisco IOx for IOS XE Software Command Injection Vulnerability
MEDIUM 6.5
At a glance
- Source
- NVD
- EPSS
- EPSS 35.39 % · percentile 98 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
Description
A vulnerability in Cisco IOx application hosting environment of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands into the underlying operating system as the root user. This vulnerability is due to incomplete validation of fields in the application packages loaded onto IOx. An attacker could exploit this vulnerability by creating a crafted application .tar file and loading it onto the device. A successful exploit could allow the attacker to perform command injection into the underlying operating system as the root user.
Weaknesses (CWE)
- CWE-77 — Improper Neutralization of Special Elements used in a Command
- CWE-78 — Improper Neutralization of Special Elements used in an OS Command
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N | cisco |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N | NVD · psirt@cisco.com (Secondary) |
| CVSS 3.1 | HIGH 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 8.5 | AV:N/AC:M/Au:S/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-6851
- GCVE · GCVE-0-2021-1384
Affected configurations (NVD CPE)
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*< 16.6.9cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*≥ 16.9.0 < 16.9.7cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*≥ 17.3.2 < 17.3.3cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*≥ 17.4.0 < 17.4.2cpe:2.3:o:cisco:ios_xe:17.5.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco IOS XE Software | affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |