Threats Tagged 'cve-2026-20355'
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Threats Tagged 'cve-2026-20355'
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CVE-2026-20355: Insufficient Verification of Data Authenticity in Cisco Cisco Secure EmailCVE-2026-20355 0 Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions (S/MIME) decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of message integrity. An attacker could exploit these vulnerabilities by using a machine-in-the-middle technique to intercept and modify traffic between email gateways. A successful exploit could allow the attacker to obtain plaintext content from the encrypted communication. Join the discussion | CVE Database V5 | 09/02/2026, 16:14:32 UTC Added: 09/02/2026, 16:37:51 UTC |
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