BeyondTrust · Remote Support
CVE-2026-102764
Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support
概要
The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could allow an attacker to perform file operations on the appliance.
CISA: BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
対処法
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
米国連邦機関の対応期限：2026年10月19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 |
|---|---|---|---|---|
| 2026/02/13 | OS Command Injection | Remote Support (RS) and Privileged Remote Access (PRA) | 緊急 9.9 | 94% |
| 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。