Cisco IOS and IOS XE Software Information Disclosure Vulnerability (Cisco Cisco IOS)

CVE-2020-3477
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.32 % · percentile 26 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Modified

Description

A vulnerability in the CLI parser of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to access files from the flash: filesystem. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by using a specific command at the command line. A successful exploit could allow the attacker to obtain read-only access to files that are located on the flash: filesystem that otherwise might not have been accessible.

Weaknesses (CWE)

  • CWE-20 — Improper Input Validation
  • CWE-863 — Incorrect Authorization

References

Scores

VersionScoreVectorScored by
CVSS 3.0MEDIUM 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Ncisco
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)
CVSS 3.0MEDIUM 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NNVD · psirt@cisco.com (Secondary)
CVSS 2.0LOW 2.1AV:L/AC:L/Au:N/C:P/I:N/A:NNVD · nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Cisco · Cisco IOSaffected n/a

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