BeyondTrust · Remote Support (RS) and Privileged Remote Access (PRA)
CVE-2026-1731
Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)
概要
BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.
CISA: BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)contain an OS command injection vulnerability. Successful exploitation could allow an unauthenticated remote attacker to execute operating system commands in the context of the site user. Successful exploitation requires no authentication or user interaction and may lead to system compromise, including unauthorized access, data exfiltration, and service disruption.
対処法
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
米国連邦機関の対応期限：2026年2月16日
BeyondTrustのその他の悪用された脆弱性
| 追加日 | 脆弱性 | 製品 | 深刻度 | 攻撃の可能性 |
|---|---|---|---|---|
| 2026/10/16 | Authentication Bypass by Spoofing | Remote Support | 緊急 9.3 | 79% |
| 2025/01/13 | OS Command Injection | Privileged Remote Access (PRA) and Remote Support (RS) | 中 6.6 | 33% |
| 2024/12/19 | Privileged Remote Access (PRA) and Remote Support (RS) Command Injection Vulnerability | Privileged Remote Access (PRA) and Remote Support (RS) | 緊急 9.8 | 87% |
出典：Known Exploited Vulnerabilities（CISA、パブリックドメイン）、CVE records（cve.org）、EPSS（FIRST）。攻撃の可能性は、今後30日以内に誰かがその脆弱性の悪用を試みるというEPSSの推定値です。