CVE-2018-0196

Name: CVE-2018-0196
Creator: NVD / NIST
Published: 2018-03-28T22:29:02.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2018-0196 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to write arbitrary files to the operating system of an affected device. The vulnerability is due to insufficient input validation of HTTP requests that are sent to the web UI of the affected software. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to write arbitrary files to the operating system of an affected device. The vulnerability is due to insufficient input validation of HTTP requests that are sent to the web UI of the affected software. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web UI of the affected software. A successful exploit could allow the attacker to write arbitrary files to the operating system of an affected device. Cisco Bug IDs: CSCvb22645.

Metrics

CVSS 3.1

4.9/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.03%

59.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios Xe	16.1.2
Cisco	Ios Xe	16.2.0
Cisco	Ios Xe	16.3\(1\)

References

http://www.securityfocus.com/bid/103570Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-wfwVendor Advisory
http://www.securityfocus.com/bid/103570Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-wfwVendor Advisory

Timeline

Published: Mar 28, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0196?

How severe is CVE-2018-0196?

CVE-2018-0196 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0196?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0196?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST