Wiesemann & Theis AT-Modem-Emulator/Com-Server HTTP GET Request missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability has been found in Wiesemann & Theis AT-Modem-Emulator and Com-Server (version now known) and classified as critical. This vulnerability affects some unknown processing of the component HTTP GET Request Handler. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple W&T products of the ComServer Series are prone to an authentication bypass. An unathenticated remote attacker, can log in without knowledge of the password by crafting a modified HTTP GET Request.

The weakness was disclosed 11/16/2022 as VDE-2022-043. The advisory is shared for download at cert.vde.com. This vulnerability was named CVE-2022-42785 since 10/11/2022. 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.

Productinfo

Vendor

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (CERT VDE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

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

10/11/2022 🔍
11/16/2022 +36 days 🔍
11/16/2022 +0 days 🔍
11/16/2022 +0 days 🔍

Sourcesinfo

Advisory: VDE-2022-043
Status: Not defined

CVE: CVE-2022-42785 (🔍)

Entryinfo

Created: 11/16/2022 07:39 AM
Changes: 11/16/2022 07:39 AM (48)
Complete: 🔍
Cache ID: 18:802:40

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