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CVE-2020-26879 (GCVE-0-2020-26879)

Vulnerability from cvelistv5 – Published: 2020-10-26 19:20 – Updated: 2024-08-04 16:03
VLAI Shadowserver Previdian
Summary
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 460a1b3b-654f-4e4e-bb38-cc5fbaac63ed

Vulnerability ID: CVE-2020-26879

Status: Confirmed

Status Updated: 2026-07-19 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2025-08-11
Asserted: 2025-08-11
Last Seen: 2026-07-19
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Ruckus / Ruckus vRioT | Class: device-management-platform | Severity: Critical (CVSS 9.8) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-07-19: 7
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 2
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class device-management-platform
7D Avg 1
Vendor Ruckus
30D Avg 1
90D Avg 2
Product Ruckus vRioT
Cisa Kev no
Connections 7
Observation Date 2026-07-19
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-06-30 09:23 UTC | Updated: 2026-07-21 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 43e51629-20fa-4e1f-bcfc-31a0514a88f5

Vulnerability ID: CVE-2020-26879

Status: Confirmed

Status Updated: 2026-01-04 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-01-04
Asserted: 2026-01-04
Scope
Notes: KEVIntel entry: 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... | Affected: Ruckus Wireless / vRioT | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor Ruckus Wireless
Product vRioT
Added Date 2026-01-04T00:00:00.000Z
Cvss Score 9.8
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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