CVE-2022-29222— Improper Certificate Validation in Pion DTLS
Quick assessment
Affected
pion dtls
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Pion DTLS是一款基于Go语言的DTLS（数据包传输层安全性协议）实现。 Pion DTLS 2.1.5之前版本存在信任管理问题漏洞，该漏洞源于DTLS 客户端可以提供它不拥有私钥的证书，而且Pion DTLS 不会拒绝该证书。
Possible ATT&CK Techniques 2 AI
T1078 · Valid Accounts T1621 · Multi-Factor Authentication Request Generation
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I. Basic Information for CVE-2022-29222
Vulnerability Information
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Vulnerability Title
Improper Certificate Validation in Pion DTLS
Source: CVE Program / CVE List V5
Vulnerability Description
Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.5, a DTLS Client could provide a Certificate that it doesn't posses the private key for and Pion DTLS wouldn't reject it. This issue affects users that are using Client certificates only. The connection itself is still secure. The Certificate provided by clients can't be trusted when using a Pion DTLS server prior to version 2.1.5. Users should upgrade to version 2.1.5 to receive a patch. There are currently no known workarounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Pion DTLS 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pion DTLS是一款基于Go语言的DTLS（数据包传输层安全性协议）实现。 Pion DTLS 2.1.5之前版本存在信任管理问题漏洞，该漏洞源于DTLS 客户端可以提供它不拥有私钥的证书，而且Pion DTLS 不会拒绝该证书。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-29222
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Patches & Fixes for CVE-2022-29222 (1)
Vendor Advisories for CVE-2022-29222 (1)
-
https://github.com/pion/dtls/security/advisories/GHSA-w45j-f832-hxvh x_refsource_CONFIRM
Other References for CVE-2022-29222 (1)
-
https://github.com/pion/dtls/releases/tag/v2.1.5 x_refsource_MISC
IV. Related Vulnerabilities
Same product: dtls
Same vendor: pion
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CVE-2026-54909
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CVE-2026-54908
Pion DTLS: Denial of service via panic while parsing a craft -
CVE-2026-26014
Pion DTLS uses random nonce generation with AES GCM ciphers -
CVE-2025-49140
Pion Interceptor's improper RTP padding handling allows remo -
CVE-2022-29189
Buffer for inbound DTLS fragments has no limit
Same weakness: CWE-295
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IBM Guardium Data Protection is affected by multiple vulnera -
CVE-2026-107318
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Improper Certificate Validation in hMailServer -
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V. Comments for CVE-2022-29222
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