CVE-2020-3516: Cisco IOS XE Software Web UI Improper Input Validation Vulnerability
First published: Thu Sep 24 2020(Updated: )
A vulnerability in the web server authentication of Cisco IOS XE Software could allow an authenticated, remote attacker to crash the web server on the device. The vulnerability is due to insufficient input validation during authentication. An attacker could exploit this vulnerability by entering unexpected characters during a valid authentication. A successful exploit could allow the attacker to crash the web server on the device, which must be manually recovered by disabling and re-enabling the web server.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XE | <16.9.6 | |
| Cisco IOS XE | >=16.12.0<16.12.2 | |
| Cisco IOS XE | >=17.1.0<17.1.1 | |
| Cisco IOS XE | =17.2.1 |
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Reference Links
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/author
- agent/references
- agent/weakness
- agent/title
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/tags
- agent/event
- vendor/cisco
- canonical/cisco ios xe
- version/cisco ios xe/16.12.0
- version/cisco ios xe/17.1.0
- version/cisco ios xe/17.2.1