Every login in tangro Business Workflow before 1.18.1 generates the same JWT token, which allows an attacker to reuse the token when a session is active. The JWT token does not contain an expiration timestamp.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26172
Reference (s):
- https://blog.to.com/advisory-tangro-bwf-1-17-5-multiple-vulnerabilities/
- https://www.tangro.de/