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CVE-2020-3223 Details

Description

A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web UI. An exploit could allow the attacker to read arbitrary files from the underlying operating system's filesystem.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:4.5 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-filerd-HngnDYGk	CVE	PatchVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-filerd-HngnDYGk	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-59	Improper Link Resolution Before File Access ('Link Following')	[email protected]
CWE-59	Improper Link Resolution Before File Access ('Link Following')	[email protected]

Affected Products

Product	Versions
cisco ios xe	16.9.4 16.9.4c 16.11.1 16.11.1a 16.11.1b
CPE cpe:2.3:o:cisco:ios_xe:16.9.4:::::::* cpe:2.3:o:cisco:ios_xe:16.9.4c:::::::* cpe:2.3:o:cisco:ios_xe:16.11.1:::::::* cpe:2.3:o:cisco:ios_xe:16.11.1a:::::::* cpe:2.3:o:cisco:ios_xe:16.11.1b:::::::* cpe:2.3:o:cisco:ios_xe:16.11.1c:::::::* cpe:2.3:o:cisco:ios_xe:16.11.1s:::::::* cpe:2.3:o:cisco:ios_xe:16.11.2:::::::* cpe:2.3:o:cisco:ios_xe:16.12.1:::::::* cpe:2.3:o:cisco:ios_xe:16.12.1a:::::::* cpe:2.3:o:cisco:ios_xe:16.12.1c:::::::* cpe:2.3:o:cisco:ios_xe:16.12.1s:::::::* cpe:2.3:o:cisco:ios_xe:16.12.1t:::::::* cpe:2.3:o:cisco:ios_xe:16.12.1w:::::::* cpe:2.3:o:cisco:ios_xe:16.12.1y:::::::* Remediation No remediation found in references.

Product

Versions

cisco ios xe

16.9.4

16.9.4c

16.11.1

16.11.1a

16.11.1b

CPE

cpe:2.3:o:cisco:ios_xe:16.9.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.9.4c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 9, 2020	Initial Analysis	[email protected]