What is CVE-2020-3223?

CVE-2020-3223 is a medium-severity vulnerability in Cisco iOS Xe Software 16.9.4, classified under Improper Link Resolution Before File Access. CVSS score: 4.9/10. Published 2020-06-03.

How severe is CVE-2020-3223?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Cisco iOS Xe Software 16.9.4

CVE-2020-3223

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.

EPSS: 0.019 (77.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Cisco Ios Xe Software 16.9.4 — versions n/a
Cisco Ios_xe — versions 16.9.4, 16.9.4c, 16.11.1

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3223?: CVE-2020-3223 is a medium-severity vulnerability in Cisco iOS Xe Software 16.9.4, classified under Improper Link Resolution Before File Access. CVSS score: 4.9/10. Published 2020-06-03.
How severe is CVE-2020-3223?: Medium severity. CVSS v3 base score is 4.9 out of 10.