CVE-2020-3392
Cisco IoT Field Network Director Missing API Authentication Vulnerability
A vulnerability in the API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive information on an affected system. The vulnerability exists because the affected software does not properly authenticate API calls. An attacker could exploit this vulnerability by sending API requests to an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system, including information about the devices that the system manages, without authentication.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cisco IoT Field Network Director Missing API Authentication Vulnerability
A vulnerability in the API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive information on an affected system. The vulnerability exists because the affected software does not properly authenticate API calls. An attacker could exploit this vulnerability by sending API requests to an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system, including information about the devices that the system manages, without authentication.
- Record
CVE-2020-3392- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2020-24663
A vulnerability in the API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive information on an affected system. The vulnerability exists because the affected software does not properly authenticate API calls. An attacker could exploit this vulnerability by sending API requests to an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system, including information about the devices that the system manages, without authentication.
- Record
EUVD-2020-24663- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vc2p-5mxr-hx98 No score
A vulnerability in the API of Cisco IoT Field Network Director (FND) could allow an...
A vulnerability in the API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive information on an affected system. The vulnerability exists because the affected software does not properly authenticate API calls. An attacker could exploit this vulnerability by sending API requests to an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system, including information about the devices that the system manages, without authentication.
- Record
GHSA-vc2p-5mxr-hx98- Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
A vulnerability in the API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive information on an affected system. The vulnerability exists because the affected software does not properly authenticate API calls. An attacker could exploit this vulnerability by sending API requests to an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system, including information about the devices that the system manages, without authentication.
- Record
CVE-2020-3392- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-3392 is a high vulnerability (CVSS 7.5) in Cisco Iot Field Network Director, published November 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.55%, the 75th percentile. No source names a fixed version.