cisco-sa-20190327-afu: Cisco IOS XE Software Arbitrary File Upload Vulnerability
First published: Wed Mar 27 2019(Updated: )
A vulnerability in the web UI framework of Cisco IOS XE Software could allow an authenticated, remote attacker to make unauthorized changes to the filesystem of the affected device. The vulnerability is due to improper input validation. An attacker could exploit this vulnerability by crafting a malicious file and uploading it to the device. An exploit could allow the attacker to gain elevated privileges on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-afu This advisory is part of the March 27, 2019, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 17 Cisco Security Advisories that describe 19 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: March 2019 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XE |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of Cisco-SA-20190327-AFU?
The severity of Cisco-SA-20190327-AFU is rated as high due to the potential for unauthorized filesystem changes by authenticated attackers.
How do I fix Cisco-SA-20190327-AFU?
To fix Cisco-SA-20190327-AFU, you should upgrade to the latest version of Cisco IOS XE Software where the vulnerability is patched.
Who is affected by Cisco-SA-20190327-AFU?
Cisco-SA-20190327-AFU affects devices running the vulnerable versions of Cisco IOS XE Software.
What can an attacker do if they exploit Cisco-SA-20190327-AFU?
If exploited, an attacker can make unauthorized changes to the filesystem of the affected device.
Is authentication required to exploit Cisco-SA-20190327-AFU?
Yes, authentication is required for an attacker to exploit Cisco-SA-20190327-AFU.
- agent/last-modified-date
- agent/first-publish-date
- agent/type
- collector/cisco-advisory
- source/Cisco
- agent/severity
- agent/title
- agent/weakness
- agent/references
- agent/description
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco ios xe