CVE-2019-20786
CRITICAL
9.8
CVSS Score
Published: April 19, 2020 at 07:57 PM UTC
Updated: June 17, 2026 at 02:31 AM UTC
1 product affected across 1 vendorDtls
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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/pion/dtls/compare/v1.5.1...v1.5.2x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brosteanx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdfCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-287
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