Medium severity · published Dec 28, 2020
CVE-2020-29158
An issue was discovered in Zammad before 3.5.1
4.3
CVSS
0.7%
EPSS
No
On KEV
Description
An issue was discovered in Zammad before 3.5.1. An Agent with Customer permissions in a Group can bypass intended access control on internal Articles via the Ticket detail view.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZA
Zammad · Zammad
before 3.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-29158
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-29158
Patch
https://github.com/zammad/zammad/commit/cf5a5e396058d4b134dd33d0a62b11c1733c98ab
Vendor Advisory
https://zammad.com/en/advisories/zaa-2020-23
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