VDB-131347 · CVE-2019-6520 · BID 107178

Moxa IKS/EDS Config access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Moxa IKS and EDS. The impacted element is an unknown function of the component Config Handler. This manipulation causes access control. This vulnerability is tracked as CVE-2019-6520. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Moxa IKS and EDS (Automation Software) (version now known). Affected by this vulnerability is some unknown processing of the component Config Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Moxa IKS and EDS does not properly check authority on server side, which results in a read-only user being able to perform arbitrary configuration changes.

The bug was discovered 02/26/2019. The weakness was disclosed 03/05/2019 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2019-6520 since 01/22/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-131346, VDB-131348, VDB-131349 and VDB-131351 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.5
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: Access control
CWE: CWE-284 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2019 🔍
02/26/2019 +35 days 🔍
03/05/2019 +7 days 🔍
03/06/2019 +1 days 🔍
07/26/2023 +1603 days 🔍

Sourcesinfo

Vendor: moxa.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2019-6520 (🔍)
GCVE (CVE): GCVE-0-2019-6520
GCVE (VulDB): GCVE-100-131347
SecurityFocus: 107178

See also: 🔍

Entryinfo

Created: 03/06/2019 08:33
Updated: 07/26/2023 15:04
Changes: 03/06/2019 08:33 (55), 05/13/2020 20:27 (2), 07/26/2023 15:04 (3)
Complete: 🔍
Cache ID: 216::103

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