CVE-2019-25420

Name: CVE-2019-25420
Creator: NVD / NIST
Published: 2026-02-19T13:16:16.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2019-25420 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.40%

31.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Comodo	Dome Firewall	<= 2.7.0

References

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

Timeline

Published: Feb 19, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2019-25420?

How severe is CVE-2019-25420?

CVE-2019-25420 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2019-25420?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-25420?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST