CVE-2019-25421

Name: CVE-2019-25421
Creator: NVD / NIST
Published: 2026-02-19T13:16:16.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2019-25421 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Comodo Dome Firewall 2.7.0 contains multiple cross-site scripting vulnerabilities that allow attackers to inject malicious scripts through the policyfw endpoint. Attackers can submit POST requests with JavaScript payloads in the mac, target, and remark parameters to execute arbitrary code in administrator browsers or store persistent scripts in the application.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Comodo Dome Firewall 2.7.0 contains multiple cross-site scripting vulnerabilities that allow attackers to inject malicious scripts through the policyfw endpoint. Attackers can submit POST requests with JavaScript payloads in the mac, target, and remark parameters to execute arbitrary code in administrator browsers or store persistent scripts in the application.

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-cross-site-scripting-via-policyfwThird Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-25421?

How severe is CVE-2019-25421?

CVE-2019-25421 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-2019-25421?

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-2019-25421?

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

Scan your code now

Source: NVD / NIST