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TI-2017-04429 Aliases CVE-2017-6671GHSA-m6qj-mxwq-g8c8

Improper input validation in Cisco Email Security Appliance

Priority LOW 37CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured filters on the device, as demonstrated by the Attachment Filter. More Information: CSCvd34632. Known Affected Releases: 10.0.1-087 9.7.1-066. Known Fixed Releases: 10.0.2-020 9.8.1-015.

Why it matters now

EPSS 0.01957 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco Email Security ApplianceCisco Email Security Appliance—No fix listedCNA
  • Cisco Email Security Appliance Vendor— Affected Cisco Email Security Appliance Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:cisco:email_security_appliance_firmware:9.7.1-066:*:*:*:*:*:*:*9.7.1-066VulnerableCisco
cpe:2.3:a:cisco:email_security_appliance_firmware:10.0.1-087:*:*:*:*:*:*:*10.0.1-087VulnerableCisco
  • cpe:2.3:a:cisco:email_security_appliance_firmware:9.7.1-066:*:*:*:*:*:*:* Versions 9.7.1-066 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:email_security_appliance_firmware:10.0.1-087:*:*:*:*:*:*:* Versions 10.0.1-087 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6671
  2. 2026-10-03 Alias added: GHSA-m6qj-mxwq-g8c8

References

Advisory 1

  • TI-2018-11013 Cisco Email Security Appliance Memory Corruption Denial of Service Vulnerability CVSS 3.1HIGH 8.6
  • TI-2016-05488 Cisco IronPort AsyncOS 9.1.2-023, 9.1.2-028, 9.1.2-036, 9.7.2-046, 9.7.2-047, 9.7.2-054… CVSS 3.0CRITICAL 9.8
  • TI-2019-12004 Clam AntiVirus (ClamAV) Software Email Parsing Vulnerability CVSS 3.1HIGH 7.5
  • TI-2019-01575 Cisco Email Security Appliance Header Injection Vulnerability CVSS 3.1HIGH 7.5
  • TI-2014-01669 The End User Safelist/Blocklist (aka SLBL) service in Cisco AsyncOS Software for Email… CVSS 2.0HIGH 8.5
  • TI-2019-09501 Cisco Email Security Appliance Filter Bypass Vulnerability CVSS 3.1HIGH 7.5
See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences