Wiesemann & Theis AT-Modem-Emulator/Com-Server random values

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 (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Wiesemann & Theis AT-Modem-Emulator and Com-Server. This issue affects some unknown processing. Such manipulation leads to random values. This vulnerability is traded as CVE-2022-42787. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Wiesemann & Theis AT-Modem-Emulator and Com-Server (affected version not known) and classified as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a random values vulnerability. Using CWE to declare the problem leads to CWE-334. The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks. Impacted is confidentiality. CVE summarizes:

Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. An unathenticated remote attacker can brute force the session id and gets access to an account on the the device.

The weakness was shared 11/10/2022 as VDE-2022-043. The advisory is shared for download at cert.vde.com. This vulnerability is handled as CVE-2022-42787 since 10/11/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.

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

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
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: Random values
CWE: CWE-334 / CWE-331 / CWE-330
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

10/11/2022 🔍
11/10/2022 +30 days 🔍
11/10/2022 +0 days 🔍
11/10/2022 +0 days 🔍

Sourcesinfo

Advisory: VDE-2022-043
Status: Not defined

CVE: CVE-2022-42787 (🔍)
GCVE (CVE): GCVE-0-2022-42787
GCVE (VulDB): GCVE-100-213404

Entryinfo

Created: 11/10/2022 19:10
Changes: 11/10/2022 19:10 (47)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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