CVE-2020-10101
HIGHCVSS 7.5/10EPSS 1.09%
Last modified
CVE-2020-10101 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zammad | Zammad | >= 1.0.0, <= 3.2.0 |
References
- https://zammad.com/news/security-advisory-zaa-2020-06Patch, Vendor Advisory
- https://zammad.com/news/security-advisory-zaa-2020-06Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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 not handled. This leads to a crash of the service process.
How severe is CVE-2020-10101?
CVE-2020-10101 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.
How do I fix CVE-2020-10101?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-10101?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST