Emerson DeltaV DLL uncontrolled search path

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Emerson DeltaV. The impacted element is an unknown function of the component DLL Handler. Such manipulation leads to uncontrolled search path. This vulnerability is documented as CVE-2021-44463. The attack can be executed remotely. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Emerson DeltaV (affected version not known) and classified as critical. Affected by this issue is some unknown functionality of the component DLL Handler. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Missing DLLs, if replaced by an insider, could allow an attacker to achieve local privilege escalation on the DeltaV Distributed Control System Controllers and Workstations (All versions) when some DeltaV services are started.

The weakness was released 12/25/2021 as icsa-21-355-04. The advisory is available at cisa.gov. This vulnerability is handled as CVE-2021-44463. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

Applying a patch is able to eliminate this problem.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CNA Base Score: 8.1
CNA 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: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/16/2021 🔍
12/25/2021 +9 days 🔍
12/25/2021 +0 days 🔍
04/17/2025 +1209 days 🔍

Sourcesinfo

Advisory: icsa-21-355-04
Status: Confirmed

CVE: CVE-2021-44463 (🔍)
GCVE (CVE): GCVE-0-2021-44463
GCVE (VulDB): GCVE-100-189086

Entryinfo

Created: 12/25/2021 21:07
Updated: 04/17/2025 19:22
Changes: 12/25/2021 21:07 (37), 12/27/2021 11:09 (1), 04/17/2025 19:22 (43)
Complete: 🔍
Cache ID: 216::103

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