Open Ticket Request System (OTRS) 4.0.x before 4.0.28, 5.0.x before 5.0.26, and 6.0.x before 6.0.3, when cookie support is disabled, might allow remote attackers to hijack web sessions and consequently gain privileges via a crafted email.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade otrs2 | Dec 21, 2017 | Dec 20, 2017 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Dec 20, 2017 |
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