Cisco IOS XE Web-based User Interface link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE. It has been declared as critical. This issue affects some unknown processing of the component Web-based User Interface. Such manipulation leads to link following. This vulnerability is referenced as CVE-2020-3223. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (version now known). It has been rated as critical. Affected by this issue is some unknown processing of the component Web-based User Interface. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality. CVE summarizes:

A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web UI. An exploit could allow the attacker to read arbitrary files from the underlying operating system's filesystem.

The weakness was published 06/03/2020 as cisco-sa-webui-filerd-HngnDYGk as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2020-3223 since 12/12/2019. The attack may be launched remotely. Required for exploitation is a simple authentication. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-156054, VDB-156051, VDB-156049 and VDB-156048. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2019 🔍
06/03/2020 +174 days 🔍
06/04/2020 +1 days 🔍
10/21/2020 +139 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-webui-filerd-HngnDYGk
Status: Confirmed

CVE: CVE-2020-3223 (🔍)
GCVE (CVE): GCVE-0-2020-3223
GCVE (VulDB): GCVE-100-156050
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 06/04/2020 14:37
Updated: 10/21/2020 16:36
Changes: 06/04/2020 14:37 (40), 06/04/2020 14:42 (12), 10/21/2020 16:36 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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