CVEvulnerability
CVE-2019-20786
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-04-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-287
Description
handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.
Affected configurations
• pion dtls (< 1.5.2)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 Patch, Third Party Advisory
- https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 Patch, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean Third Party Advisory
- https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf Exploit, Third Party Advisory
- https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 Patch, Third Party Advisory
- https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 Patch, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean Third Party Advisory
- https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf Exploit, Third Party Advisory