CVE-2020-3477

Summary

CVECVE-2020-3477
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-09-24 18:15:00 UTC
Updated2021-08-06 19:05:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-863

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco 2610xm - All All All
Hardware Cisco 2610xm - All All All
Hardware Cisco 2611xm - All All All
Hardware Cisco 2611xm - All All All
Hardware Cisco 2612 - All All All
Hardware Cisco 2612 - All All All
Hardware Cisco 2620xm - All All All
Hardware Cisco 2620xm - All All All
Hardware Cisco 2621xm - All All All
Hardware Cisco 2621xm - All All All
Hardware Cisco 2650xm - All All All
Hardware Cisco 2650xm - All All All
Hardware Cisco 2651xm - All All All
Hardware Cisco 2651xm - All All All
Hardware Cisco 2691 - All All All
Hardware Cisco 2691 - All All All
Operating System Cisco Ios 16.3.11 All All All
Operating System Cisco Ios 16.3.11 All All All

References

ReferenceSourceLinkTags
Cisco IOS and IOS XE Software Information Disclosure Vulnerability CISCO tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report