Cisco IOS IOx Application Environment input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS. It has been rated as critical. This affects an unknown function of the component IOx Application Environment. The manipulation leads to input validation. This vulnerability is referenced as CVE-2020-3257. The attack needs to be initiated within the local network. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco IOS (Router Operating System) (version unknown) and classified as critical. This issue affects an unknown function of the component IOx Application Environment. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple vulnerabilities in the Cisco IOx application environment of Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) that are running Cisco IOS Software could allow an attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

The weakness was published 06/03/2020 as cisco-sa-ios-iot-gos-vuln-s9qS as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2020-3257 since 12/12/2019. The attack needs to approached within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/04/2020).

Upgrading eliminates this vulnerability.

Similar entry is available at VDB-156027. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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-ios-iot-gos-vuln-s9qS
Status: Confirmed

CVE: CVE-2020-3257 (🔍)
GCVE (CVE): GCVE-0-2020-3257
GCVE (VulDB): GCVE-100-156065
See also: 🔍

Entryinfo

Created: 06/04/2020 15:43
Updated: 10/21/2020 18:05
Changes: 06/04/2020 15:43 (41), 06/04/2020 15:48 (12), 10/21/2020 18:05 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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