Rockwell Automation FactoryTalk AssetCentre up to 10.00 AosService.rem deserialization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Rockwell Automation FactoryTalk AssetCentre up to 10.00. It has been declared as critical. This affects an unknown part of the file AosService.rem. Executing a manipulation can lead to deserialization. This vulnerability is registered as CVE-2021-27462. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as very critical was found in Rockwell Automation FactoryTalk AssetCentre up to 10.00 (Automation Software). This vulnerability affects some unknown processing of the file AosService.rem. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 03/24/2022 as icsa-21-091-01. The advisory is available at cisa.gov. This vulnerability was named CVE-2021-27462 since 02/19/2021. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/24/2022).

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

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.9

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
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

02/19/2021 🔍
03/24/2022 +398 days 🔍
03/24/2022 +0 days 🔍
03/25/2022 +1 days 🔍

Sourcesinfo

Advisory: icsa-21-091-01
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-27462 (🔍)
GCVE (CVE): GCVE-0-2021-27462
GCVE (VulDB): GCVE-100-195670

Entryinfo

Created: 03/24/2022 11:01
Updated: 03/25/2022 13:41
Changes: 03/24/2022 11:01 (50), 03/25/2022 13:41 (1)
Complete: 🔍
Cache ID: 216::103

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