High severity · published Mar 5, 2020
CVE-2020-10101
An issue was discovered in Zammad 3.0 through 3.2
7.5
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZA
Zammad · Zammad
1.0.0 through 3.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10101
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10101
Patch
https://zammad.com/news/security-advisory-zaa-2020-06
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