Cisco IoT Field Network Director Improper Access Control Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Privilege escalation
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284 and CWE-269.
Summary
A vulnerability in the access control functionality of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to view lists of users from different domains that are configured on an affected system. The vulnerability is due to improper access control. An attacker could exploit this vulnerability by sending an API request that alters the domain for a requested user list on an affected system. A successful exploit could allow the attacker to view lists of users from different domains on the affected system.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26077
- 2026-10-03 Alias added: GHSA-7q2r-9q4w-229g
References
More Cisco Iot Field Network Director vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2020-03077 Cisco IoT Field Network Director Unauthenticated REST API Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2019-01577 Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2019-01270 Cisco IoT Field Network Director Resource Exhaustion Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2020-15928 Cisco IoT Field Network Director Information Disclosure Vulnerability CVSS 3.1HIGH 7.5
- TI-2020-15924 Cisco IoT Field Network Director SOAP API Authorization Bypass Vulnerability CVSS 3.1HIGH 8.7
Sources
- CVE-2020-26077 · CVE Program
- CVE-2020-26077 · NVD
- FIRST EPSS
- GHSA-7q2r-9q4w-229g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences