Zammad up to 5.2.1/5.2.2 Web Socket Connection access control

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Zammad up to 5.2.1/5.2.2. This affects an unknown part of the component Web Socket Connection Handler. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2022-40816. No exploit exists.

Detailsinfo

A vulnerability was found in Zammad up to 5.2.1/5.2.2. It has been declared as problematic. This vulnerability affects an unknown code block of the component Web Socket Connection Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality. CVE summarizes:

Zammad 5.2.1 is vulnerable to Incorrect Access Control. Zammad's asset handling mechanism has logic to ensure that customer users are not able to see personal information of other users. This logic was not effective when used through a web socket connection, so that a logged-in attacker would be able to fetch personal data of other users by querying the Zammad API. This issue is fixed in , 5.2.2.

The weakness was disclosed 09/28/2022 as zaa-2022-09. The advisory is available at zammad.com. This vulnerability was named CVE-2022-40816 since 09/19/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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

09/19/2022 🔍
09/28/2022 +9 days 🔍
09/28/2022 +0 days 🔍
05/22/2025 +967 days 🔍

Sourcesinfo

Advisory: zaa-2022-09
Status: Confirmed

CVE: CVE-2022-40816 (🔍)
GCVE (CVE): GCVE-0-2022-40816
GCVE (VulDB): GCVE-100-209662

Entryinfo

Created: 09/28/2022 07:11
Updated: 05/22/2025 03:44
Changes: 09/28/2022 07:11 (38), 10/24/2022 16:26 (11), 05/22/2025 03:44 (15)
Complete: 🔍
Cache ID: 216::103

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