The anti-spam scanner on Cisco Email Security Appliance (ESA) devices 3.3.1-09…
Priority LOW 29CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The anti-spam scanner on Cisco Email Security Appliance (ESA) devices 3.3.1-09, 7.5.1-gpl-022, and 8.5.6-074 allows remote attackers to bypass intended e-mail restrictions via a malformed DNS SPF record, aka Bug IDs CSCuu35853 and CSCuu37733.
Why it matters now
EPSS 0.03466 89th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:cisco:email_security_appliance:3.331-09:*:*:*:*:*:*:* | 3.331-09 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:email_security_appliance:7.5.1-gpl-022:*:*:*:*:*:*:* | 7.5.1-gpl-022 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:email_security_appliance:8.5.6-074:*:*:*:*:*:*:* | 8.5.6-074 | Vulnerable | Cisco |
- cpe:2.3:h:cisco:email_security_appliance:3.331-09:*:*:*:*:*:*:* Versions 3.331-09 Vulnerable ·Cisco
- cpe:2.3:h:cisco:email_security_appliance:7.5.1-gpl-022:*:*:*:*:*:*:* Versions 7.5.1-gpl-022 Vulnerable ·Cisco
- cpe:2.3:h:cisco:email_security_appliance:8.5.6-074:*:*:*:*:*:*:* Versions 8.5.6-074 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4184
- 2026-10-03 Alias added: GHSA-f98j-x99g-pj9q
References
More Cisco Email Security Appliance vulnerabilities
- 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
Sources
- CVE-2015-4184 · CVE Program
- CVE-2015-4184 · NVD
- FIRST EPSS
- GHSA-f98j-x99g-pj9q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences