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HIGH · 7.5

CVE-2020-10101

An issue was discovered in Zammad 3.0 through 3.2. The WebSocket server crashes when messages in non-JSON format are sent by an attacker. The message format is not properly checked and parsing errors ...

Vulnerability Description

An issue was discovered in Zammad 3.0 through 3.2. The WebSocket server crashes when messages in non-JSON format are sent by an attacker. The message format is not properly checked and parsing errors not handled. This leads to a crash of the service process.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ZammadZammad>= 1.0.0, <= 3.2.0

Related Weaknesses (CWE)

CWE-20CWE-755

References

FAQ

What is CVE-2020-10101?

CVE-2020-10101 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Zammad 3.0 through 3.2. The WebSocket server crashes when messages in non-JSON format are sent by an attacker. The message format is not properly checked and parsing errors ...

How severe is CVE-2020-10101?

CVE-2020-10101 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-10101?

Check the references section above for vendor advisories and patch information. Affected products include: Zammad Zammad.