Medium severity · published May 18, 2023
CVE-2023-31597
An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZA
Zammad · Zammad
before 5.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-31597
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-31597
Patch
https://zammad.com/de/advisories/zaa-2023-03
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