Cisco Small Business SPA500 Testing Script input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Small Business SPA500. It has been classified as critical. This vulnerability affects unknown code of the component Testing Script Handler. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2019-15959. It is possible to launch the attack on the physical device. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco Small Business SPA500 (unknown version). It has been rated as problematic. This issue affects an unknown code block of the component Testing Script Handler. 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:

A vulnerability in Cisco Small Business SPA500 Series IP Phones could allow a physically proximate attacker to execute arbitrary commands on the device. The vulnerability is due to the presence of development testing and verification scripts that remained on the device. An attacker could exploit this vulnerability by accessing the physical interface of a device and inserting a USB storage device. A successful exploit could allow the attacker to execute scripts on the device in an elevated security context.

The weakness was disclosed 09/23/2020 as cisco-sa-20191106-spa500-scrip as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2019-15959 since 09/06/2019. Attacking locally is a requirement. The requirement for exploitation is a simple authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.1
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
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: Yes
Local: Yes
Remote: No

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

09/06/2019 🔍
09/23/2020 +383 days 🔍
09/23/2020 +0 days 🔍
09/23/2020 +0 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20191106-spa500-scrip
Status: Confirmed

CVE: CVE-2019-15959 (🔍)
GCVE (CVE): GCVE-0-2019-15959
GCVE (VulDB): GCVE-100-161747

Entryinfo

Created: 09/23/2020 10:47
Updated: 09/23/2020 10:52
Changes: 09/23/2020 10:47 (39), 09/23/2020 10:52 (11)
Complete: 🔍
Cache ID: 216::103

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