Thomson DWG849/DWG850-4/DWG855/TWG870 SNMP Request Credentials credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Thomson DWG849, DWG850-4, DWG855 and TWG870. This affects an unknown part. The manipulation as part of SNMP Request leads to credentials management (Credentials). This vulnerability is traded as CVE-2018-20394. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Thomson DWG849, DWG850-4, DWG855 and TWG870 (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality. The manipulation as part of a SNMP Request leads to a credentials management vulnerability (Credentials). Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality. The summary by CVE is:

Thomson DWG849 STC0.01.16, DWG850-4 ST9C.05.25, DWG855 ST80.20.26, and TWG870 STB2.01.36 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

The bug was discovered 12/22/2018. The weakness was shared 12/23/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-20394 since 12/23/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-128325, VDB-128326, VDB-128327 and VDB-128328 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Credentials
Class: Credentials management / Credentials
CWE: CWE-255
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

12/22/2018 🔍
12/23/2018 +1 days 🔍
12/23/2018 +0 days 🔍
12/23/2018 +0 days 🔍
12/24/2018 +1 days 🔍
04/23/2020 +486 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-20394 (🔍)
GCVE (CVE): GCVE-0-2018-20394
GCVE (VulDB): GCVE-100-128339
See also: 🔍

Entryinfo

Created: 12/24/2018 09:25
Updated: 04/23/2020 17:01
Changes: 12/24/2018 09:25 (58), 04/23/2020 17:01 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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