VDB-130263 · CVE-2018-19021 · BID 106522

Emerson DeltaV DCS up to R6 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Emerson DeltaV DCS up to R6. It has been rated as problematic. Affected by this issue is some unknown functionality. Performing a manipulation results in access control. This vulnerability was named CVE-2018-19021. The attack needs to be approached within the local network. There is no available exploit.

Detailsinfo

A vulnerability was found in Emerson DeltaV DCS up to R6. It has been classified as problematic. This affects an unknown function. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability. The summary by CVE is:

A specially crafted script could bypass the authentication of a maintenance port of Emerson DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior, which may allow an attacker to cause a denial of service.

The bug was discovered 01/10/2019. The weakness was presented 01/25/2019 by Alex (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2018-19021 since 11/06/2018. The exploitability is told to be easy. The attack needs to approached within the local network. No form of authentication is needed for exploitation. 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 15 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 vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106522†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

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

NVD Base Score: 6.5
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-264
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2018 🔍
01/10/2019 +65 days 🔍
01/10/2019 +0 days 🔍
01/25/2019 +15 days 🔍
01/25/2019 +0 days 🔍
01/26/2019 +1 days 🔍
05/06/2020 +466 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Alex
Status: Not defined

CVE: CVE-2018-19021 (🔍)
GCVE (CVE): GCVE-0-2018-19021
GCVE (VulDB): GCVE-100-130263
SecurityFocus: 106522 - Emerson DeltaV CVE-2018-19021 Authentication Bypass Vulnerability

Entryinfo

Created: 01/26/2019 18:50
Updated: 05/06/2020 10:53
Changes: 01/26/2019 18:50 (57), 05/06/2020 10:53 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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