Description
An issue was discovered in Zammad before 6.3.0. The Zammad Upload Cache uses insecure, partially guessable FormIDs to identify content. An attacker could try to brute force them to upload malicious content to article drafts they have no access to.
References (1)
Core 1
Core References
Vendor Advisory
https://zammad.com/en/advisories/zaa-2024-02
Scores
CVSS v3
9.1
EPSS
0.0033
EPSS Percentile
56.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-639
Status
published
Products (2)
zammad/zammad
6.3.0 alpha
zammad/zammad
6.2.0 - 6.3.0
Published
Apr 26, 2024
Tracked Since
Feb 18, 2026