Hvězdička u CVE znamená, že jsem to číslo vytáhl z širšího textu článku. Neukazuju u něj proto KEV, EPSS ani CVSS, a to preventivně, protože článek se na něj mohl jen odkazovat, třeba jako na starší kauzu.
Cisco warned customers to patch a critical Secure Email Gateway zero-day security flaw that threat actors have been exploiting in attacks. [...]
CVE-2025-20393 * CVE-2026-20353 * CVE-2026-76440 * CVE-2026-76441 * CVE-2026-76443 * CVE-2026-76461 * Cisco US
Classification: Critical, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 9.8, CVEs: CVE-2026-20353, CVE-2026-76440, CVE-2026-76441, CVE-2026-76442, CVE-2026-76443, Summary: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally…
EPSS 0.02 CVSS 9.8 CVE-2026-20353 CVE-2026-76440 CVE-2026-76441 CVE-2026-76442 CVE-2026-76443 Cisco FI US