TI-2017-02898 Aliases CVE-2017-3800 GHSA-79x7-9p27-9hg6

Improper input validation in Cisco AsyncOS

LOW 29CWE-20Published 2017-01-26 · Updated 2024-08-05

Key facts

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

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

Summary

A vulnerability in the content scanning engine of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured message or content filters on the device. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter or content filter to incoming email attachments. The vulnerability is not limited to any specific rules or actions for a message filter or content filter. More Information: CSCuz16076. Known Affected Releases: 9.7.1-066 9.7.1-HP2-207 9.8.5-085. Known Fixed Releases: 10.0.1-083 10.0.1-087.

Why it matters now

EPSS 0.01525 74th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Cisco AsyncOS	Cisco AsyncOS	—	No fix listed	CNA

Cisco AsyncOS Vendor— Affected Cisco AsyncOS Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:email_security_appliance:9.7.1-066:::::::*	9.7.1-066	Vulnerable	Cisco
cpe:2.3:a:cisco:email_security_appliance:9.7.1-hp2-207:::::::*	9.7.1-hp2-207	Vulnerable	Cisco
cpe:2.3:a:cisco:email_security_appliance:9.8.5-085:::::::*	9.8.5-085	Vulnerable	Cisco

cpe:2.3:a:cisco:email_security_appliance:9.7.1-066:*:*:*:*:*:*:* Versions 9.7.1-066 Vulnerable ·Cisco
cpe:2.3:a:cisco:email_security_appliance:9.7.1-hp2-207:*:*:*:*:*:*:* Versions 9.7.1-hp2-207 Vulnerable ·Cisco
cpe:2.3:a:cisco:email_security_appliance:9.8.5-085:*:*:*:*:*:*:* Versions 9.8.5-085 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-3800
2026-10-03 Alias added: GHSA-79x7-9p27-9hg6

References

Advisory 1

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118-esa

TI-2022-05357 Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability CVSS 3.1CRITICAL 9.8
TI-2019-01567 Cisco Email Security Appliance Denial of Service Vulnerability CVSS 3.1HIGH 8.6
TI-2018-00378 Improper input validation in Cisco Email Security Appliance CVSS 3.0HIGH 7.5
TI-2020-02695 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.1HIGH 7.5
TI-2019-01541 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.0HIGH 7.5
TI-2019-01553 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.0HIGH 7.4

See all 49 →

Sources

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