Moxa EDR-G902/EDR-G903 up to 5.3 Web Server stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Moxa EDR-G902 and EDR-G903 up to 5.3. This issue affects some unknown processing of the component Web Server. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2020-14511. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Moxa EDR-G902 and EDR-G903 up to 5.3 (Automation Software). This vulnerability affects an unknown function of the component Web Server. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Malicious operation of the crafted web browser cookie may cause a stack-based buffer overflow in the system web server on the EDR-G902 and EDR-G903 Series Routers (versions prior to 5.4).

The weakness was released 07/15/2020 (Website). The advisory is shared for download at us-cert.cisa.gov. This vulnerability was named CVE-2020-14511 since 06/19/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.4 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
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: 🔍

Upgrade: EDR-G902/EDR-G903 5.4

Timelineinfo

06/19/2020 🔍
07/15/2020 +26 days 🔍
07/16/2020 +1 days 🔍
07/16/2020 +0 days 🔍

Sourcesinfo

Vendor: moxa.com

Advisory: us-cert.cisa.gov
Status: Not defined

CVE: CVE-2020-14511 (🔍)
GCVE (CVE): GCVE-0-2020-14511
GCVE (VulDB): GCVE-100-158536

Entryinfo

Created: 07/16/2020 11:00
Updated: 07/16/2020 11:05
Changes: 07/16/2020 11:00 (39), 07/16/2020 11:05 (18)
Complete: 🔍
Cache ID: 216::103

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