CVE-2020-3476

Cisco IOS XE Software Arbitrary File Overwrite Vulnerability

At a glance

Severity
MEDIUM 4.4
EPSS
EPSS 0.27 % · percentile 19 (2026-10-28)
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Modified

Description

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.

Scores

VersionScoreVectorScored by
CVSS 3.0MEDIUM 4.4CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Ncisco
CVSS 3.1MEDIUM 6.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.0MEDIUM 4.4CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:NNVD · psirt@cisco.com (Secondary)
CVSS 2.0LOW 3.6AV:L/AC:L/Au:N/C:N/I:P/A:PNVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Cisco · Cisco IOS XE Softwareaffected n/a

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD