CVE-2019-25420

Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input to the snat endpoint. Attackers can send POST requests with JavaScript payloads in the port or snat_to_ip parameters to execute arbitrary scripts in users' browsers.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://cdome.comodo.com/firewall/	Product
https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278	Not Applicable
https://www.exploit-db.com/exploits/46408	Exploit Third Party Advisory
https://www.vulncheck.com/advisories/comodo-dome-firewall-reflected-cross-site-scripting-via-snat	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:comodo:dome_firewall:*:*:*:*:*:*:*:*

History

20 Feb 2026, 17:17

Type	Values Removed	Values Added
References	~~() https://cdome.comodo.com/firewall/ -~~	() https://cdome.comodo.com/firewall/ - Product
References	~~() https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278 -~~	() https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278 - Not Applicable
References	~~() https://www.exploit-db.com/exploits/46408 -~~	() https://www.exploit-db.com/exploits/46408 - Exploit, Third Party Advisory
References	~~() https://www.vulncheck.com/advisories/comodo-dome-firewall-reflected-cross-site-scripting-via-snat -~~	() https://www.vulncheck.com/advisories/comodo-dome-firewall-reflected-cross-site-scripting-via-snat - Third Party Advisory
First Time		Comodo Comodo dome Firewall
CPE		cpe:2.3:a:comodo:dome_firewall::::::::

19 Feb 2026, 13:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-19 13:16

Updated : 2026-02-20 17:17

NVD link : CVE-2019-25420

Mitre link : CVE-2019-25420

CVE.ORG link : CVE-2019-25420

JSON object : View

Products Affected

comodo

dome_firewall

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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