Cisco IoT Field Network Director XML External Entity Vulnerability

published 2019-02-21 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10255

cvss: 4.9; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.1%; EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known

A vulnerability in the web-based user interface of Cisco Internet of Things Field Network Director (IoT-FND) Software could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system. The vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by importing a crafted XML file with malicious entries, which could allow the attacker to read files within the affected application. Versions prior to 4.4(0.26) are affected.

Patch / fix

fixed in 1

Cisco Cisco IoT Field Network Director (IoT-FND) 4.4(0.26)

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-21)

Exploit prediction

3.12% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.9	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	3.0	4.9	CVSS:3.0/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-611 Improper Restriction of XML External Entity Reference

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-iot-fnd-xml
vendor-advisory
securityfocus.com /bid/107093
vdb-entry, third-party-advisory

Sources

CVE List CVE-2019-1698
NVD CVE-2019-1698

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