High severity · published Mar 28, 2019
CVE-2019-1743
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…
8.8
CVSS
2.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
16.2.1; 16.2.2; 16.3.1; 16.3.1a; 16.3.2; 16.3.3; +25 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-1743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-1743
Third Party Advisory
http://www.securityfocus.com/bid/107591
Patch
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-afu
More from IOS XE
10.0
CVE-2023-20198
Cisco IOS XE Web UI Privilege Escalation Vulnerability
9.8
CVE-2018-0151
Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution Vulnerability
9.8
CVE-2017-3881
Cisco IOS and IOS XE Remote Code Execution Vulnerability
8.8
CVE-2018-0167
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
8.8
CVE-2017-6738
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability