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CVE-2026-20168: A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authe

28
Routine
MEDIUM 6.5UPGRADE

CVE-2026-20168 is a medium-severity flaw (CVSS 6.5) affecting iot field network director. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access. This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read f

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 81%)
CISA exploited listNo
WeaknessCWE-388
Published2026-05-06
Last modified2026-10-26
Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

cisco iot field network director UPGRADE
Affected: < 5.0.0-117
Fixed in: 5.0.0-117
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy iot-field-network-director || rpm -q iot-field-network-director || iot-field-network-director --version
2. UPGRADE to 5.0.0-117 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade iot-field-network-director
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade iot-field-network-director
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-20168?

iot field network director: upgrade to 5.0.0-117. Exact commands for each OS are on this page.

Is CVE-2026-20168 being exploited?

CVE-2026-20168 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-20168 affect?

CVE-2026-20168 affects iot field network director. Severity is medium (CVSS 6.5). A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access. This vulnerability

How urgent is CVE-2026-20168?

Priority 28/100. No elevated risk signals yet.

Software pages

Cisco vulnerabilities

Related CVEs

References

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