VDB-123640 · CVE-2018-16550 · Qualys 371174

TeamViewer up to 13.x Protection Mechanism credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in TeamViewer up to 13.x. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Protection Mechanism. Executing a manipulation can lead to credentials management. This vulnerability is registered as CVE-2018-16550. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in TeamViewer up to 13.x. It has been declared as critical. This vulnerability affects some unknown processing of the component Protection Mechanism. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force authentication protection mechanism by skipping the "Cancel" step, which makes it easier to determine the correct value of the default 4-digit PIN.

The bug was discovered 09/05/2018. The weakness was published 09/05/2018 (Website). The advisory is shared for download at twitter.com. This vulnerability was named CVE-2018-16550 since 09/05/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371174 (TeamViewer Brute Force Authentication Bypass Vulnerability).

Upgrading to version 13.2.36215 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

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: 7.0
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

Class: Credentials management
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TeamViewer 13.2.36215

Timelineinfo

09/05/2018 🔍
09/05/2018 +0 days 🔍
09/05/2018 +0 days 🔍
09/05/2018 +0 days 🔍
09/06/2018 +1 days 🔍
02/05/2026 +2709 days 🔍

Sourcesinfo

Advisory: twitter.com
Status: Confirmed

CVE: CVE-2018-16550 (🔍)
GCVE (CVE): GCVE-0-2018-16550
GCVE (VulDB): GCVE-100-123640

Entryinfo

Created: 09/06/2018 06:43
Updated: 02/05/2026 09:27
Changes: 09/06/2018 06:43 (60), 03/21/2020 07:08 (1), 02/05/2026 09:23 (1), 02/05/2026 09:24 (1), 02/05/2026 09:27 (21)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

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