Vulnerability in Cisco iOS Xe Software
CVE-2020-3476
A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. The vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (17.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Cisco iOS Xe Software
- Cisco iOS — versions 16.9, 16.10.1
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-file-ove… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3476?
- CVE-2020-3476 is a medium-severity vulnerability in Cisco iOS Xe Software, classified under Files or Directories Accessible to External Parties. CVSS score: 6.0/10. Published 2020-09-24.
- How severe is CVE-2020-3476?
- Medium severity. CVSS v3 base score is 6.0 out of 10.