Cisco IOS XE SD-WAN Software Authentication Bypass Vulnerability (Cisco Cisco IOS XE SD-WAN Software)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.43 % · percentile 38 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
Description
A vulnerability in Cisco IOS XE SD-WAN Software could allow an unauthenticated, physical attacker to bypass authentication and gain unrestricted access to the root shell of an affected device. The vulnerability exists because the affected software has insufficient authentication mechanisms for certain commands. An attacker could exploit this vulnerability by stopping the boot initialization of an affected device. A successful exploit could allow the attacker to bypass authentication and gain unrestricted access to the root shell of the affected device.
Weaknesses (CWE)
- CWE-287 — Improper Authentication
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 6.8 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | cisco |
| CVSS 3.1 | MEDIUM 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | MEDIUM 6.8 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@cisco.com (Secondary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-24487
- GCVE · GCVE-0-2020-3216
Affected configurations (NVD CPE)
cpe:2.3:o:cisco:ios_xe_sd-wan:16.9.0:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xe_sd-wan:16.9.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xe_sd-wan:16.9.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xe_sd-wan:16.9.3:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xe_sd-wan:16.9.4:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xe_sd-wan:16.10.0:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xe_sd-wan:16.10.1:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco IOS XE SD-WAN 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 |