CVE-2019-1743
Cisco IOS XE Software Arbitrary File Upload Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- cisco
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.2% · top 18% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
- affected 16.2.1
- affected 16.2.2
- affected 16.3.1
- affected 16.3.2
- affected 16.3.3
- affected 16.3.1a
- affected 16.3.4
- affected 16.3.5
- affected 16.3.5b
- affected 16.3.6
- affected 16.4.1
- affected 16.4.2
- affected 16.4.3
- affected 16.5.1
- affected 16.5.1a
- affected 16.5.1b
- affected 16.5.2
- affected 16.5.3
- affected 16.6.1
- affected 16.6.2
- affected 16.6.3
- affected 16.7.1
- affected 16.7.1a
- affected 16.7.1b
- affected 16.8.1
- affected 16.8.1a
- affected 16.8.1b
- affected 16.8.1s
- affected 16.8.1c
- affected 16.8.1d
- affected 16.8.1e
What to do
Exploitation: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
References (2)
- 20190327 Cisco IOS XE Software Arbitrary File Upload Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 107591 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-1743)Record last updated .