CVE-2020-26879
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An...
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.
- Record
CVE-2020-26879- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-798
- Updated
- 2026-11-02
CVE List No score
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.
- Record
CVE-2020-26879- Updated
- 2026-11-02
EUVDEUVD-2020-19414 No score
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.
- Record
EUVD-2020-19414- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v4g7-hcw8-gwmg No score
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An...
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.
- Record
GHSA-v4g7-hcw8-gwmg- Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Ruckus vRioT IoT Controller - Authentication Bypass |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-26879 is a critical vulnerability (CVSS 9.8) in Commscope Ruckus Vriot, published October 26, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 44.4%, the 98th percentile. No source names a fixed version.