CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without OAuth2/bearer-token authorization middleware. A network attacker who can reach SMF on the SBI can hit UPI endpoints with no Authorization header at all, and the requests reach the SMF business handlers. In the running Docker lab this was directly demonstrated for read (GET /upi/v1/upNodesLinks), write (POST /upi/v1/upNodesLinks with attacker-controlled UP-node and link payload), and delete (DELETE /upi/v1/upNodesLinks/{nodeID}) operations. This vulnerability is fixed in 4.2.2.
Засегнати продукти
- free5gc free5gc: < 4.2.2
Вид слабост
История
- 27 май 2026 Публикувано
Други уязвимости в free5gc free5gc
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-44329
- https://nvd.nist.gov/vuln/detail/CVE-2026-44329
- https://github.com/free5gc/free5gc/security/advisories/GHSA-3258-qmv8-frp3
- https://github.com/free5gc/free5gc/issues/887
- https://github.com/free5gc/smf/pull/197
- https://github.com/free5gc/smf/commit/e23ce97565f285eb99eed153743c62bf4c767c6e