Skip to content
Fencer Intel
medium 4.1

CVE-2020-26079 json

Cisco IoT Field Network Director Unprotected Storage of Credentials Vulnerability

published 5y ago modified 4mo 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

Summary

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

  • cisco iot_field_network_director 4.6.1

Is CVE-2020-26079 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel 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.