B&R Automation Runtime Webserver buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in B&R Automation Runtime. The affected element is an unknown function of the component Webserver. Executing a manipulation can lead to buffer overflow. This vulnerability is handled as CVE-2021-22275. The physical device can be targeted for the attack. There is not any exploit available.

Detailsinfo

A vulnerability has been found in B&R Automation Runtime (Automation Software) (unknown version) and classified as problematic. This vulnerability affects an unknown code block of the component Webserver. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability.

The weakness was released 05/13/2022. The advisory is shared for download at br-automation.com. This vulnerability was named CVE-2021-22275 since 01/05/2021. There are neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (Asea Brown Boveri Ltd. (ABB)): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/05/2021 🔍
05/13/2022 +492 days 🔍
05/13/2022 +0 days 🔍
05/16/2022 +3 days 🔍

Sourcesinfo

Advisory: br-automation.com
Status: Confirmed

CVE: CVE-2021-22275 (🔍)
GCVE (CVE): GCVE-0-2021-22275
GCVE (VulDB): GCVE-100-199876

Entryinfo

Created: 05/13/2022 21:03
Updated: 05/16/2022 14:07
Changes: 05/13/2022 21:03 (47), 05/16/2022 14:07 (1)
Complete: 🔍
Cache ID: 216::103

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