Cisco IoT Field Network Director Unprotected Storage of Credentials Vulnerability

published 2020-11-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18709

cvss: 4.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

A vulnerability in the web UI of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to obtain hashes of user passwords on an affected device. The vulnerability is due to insufficient protection of user credentials. An attacker could exploit this vulnerability by logging in as an administrative user and crafting a call for user information. A successful exploit could allow the attacker to obtain hashes of user passwords on an affected device.

Patch / fix

fixed in 1

cisco iot_field_network_director 4.6.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.1	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
NVD	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

Cisco Cisco IoT Field Network Director (IoT-FND)

Classification

Weakness

CWE-256 Plaintext Storage of a Password
CWE-522 Insufficiently Protected Credentials

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-PWH-yCA6M7p
vendor-advisory

Sources

CVE List CVE-2020-26079
NVD CVE-2020-26079

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary