Cisco · Secure Email Gateway
CVE-2026-76519
Cisco Secure Email Gateway Arbitrary File Write Vulnerability
무엇인가
A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.
This vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to write arbitrary files and execute commands with root privileges on the underlying operating system.
CISA: Cisco Secure Email Gateway contains a relative path traversal vulnerability that could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.
할 일
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.
미국 연방 기관 조치 기한: 2026년 10월 17일
Cisco의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2026. 9. 14. | SQL Injection | Secure Email Gateway | 치명적 9.8 | 30% |
| 2026. 9. 30. | Hex Encoding | Catalyst SD-WAN Manager | 치명적 9.8 | 39% |
| 2026. 9. 16. | Incorrect Use of Privileged APIs | Identity Services Engine | 치명적 10.0 | 76% |
| 2026. 9. 9. | Firewall Management Center Authentication Bypass Using an Alternate Path or Channel | Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management | 치명적 10.0 | 88% |
| 2026. 8. 11. | Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection | Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) | 높음 8.6 | 1.0% |
| 2026. 7. 29. | Secure Firewall Management Center Use of Hard-coded Password | Secure Firewall Management Center (FMC) | 보통 5.3 | 35% |
| 2026. 7. 13. | Cross-Site Request Forgery | IOS | 높음 8.1 | 34% |
| 2026. 6. 25. | Server-Side Request Forgery (SSRF) | Unified Communications Manager | 높음 8.6 | 88% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.