Softing OPC UA C++ SDK up to 5.69 Message null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Softing OPC UA C++ SDK up to 5.69. This affects an unknown function of the component Message Handler. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2021-42577. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Softing OPC UA C++ SDK up to 5.69. Affected is an unknown function of the component Message Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was released 03/12/2022. The advisory is shared for download at industrial.softing.com. This vulnerability is traded as CVE-2021-42577 since 10/18/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.70 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OPC UA C++ SDK 5.70

Timelineinfo

10/18/2021 🔍
03/12/2022 +145 days 🔍
03/12/2022 +0 days 🔍
03/14/2022 +2 days 🔍

Sourcesinfo

Advisory: industrial.softing.com
Status: Confirmed

CVE: CVE-2021-42577 (🔍)
GCVE (CVE): GCVE-0-2021-42577
GCVE (VulDB): GCVE-100-194796

Entryinfo

Created: 03/12/2022 07:58
Updated: 03/14/2022 16:02
Changes: 03/12/2022 07:58 (39), 03/14/2022 16:02 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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