CVE-2020-26082: medium-severity vulnerability in Cisco Secure Email
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.8epss 0.6%
A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device.
The vulnerability is due to improper handling of password-protected zip files. An attacker could exploit this vulnerability by sending a malicious file inside a crafted zip-compressed file to an affected device. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Affected products
Cisco · Cisco Secure EmailRelated CVEs — Cisco Secure Email
In the same product, most dangerous first.
CVE-2026-76461CRITICALCisco Secure Email Gateway SQL Injection VulnerabilityEPSS 40.2%KEVCVE-2025-20393CRITICALCisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution VulnerabilityEPSS 32.4%KEVCVE-2026-76519CRITICALCisco Secure Email Gateway Arbitrary File Write VulnerabilityEPSS 6.2%KEVCVE-2026-76443CRITICALCisco Secure Email Gateway Security Hardening ReleaseEPSS 2.4%CVE-2024-20401CRITICALCVE-2024-20401EPSS 2.3%CVE-2023-20009MEDIUMCVE-2023-20009EPSS 2.2%