How severe is CVE-2019-25430?

CVE-2019-25430 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-25430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-25430?

CVE-2019-25430 affects Comodo Dome Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-25430?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2019-25430 have an EU (EUVD) identifier?

Yes. CVE-2019-25430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19640.

When was CVE-2019-25430 published?

CVE-2019-25430 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2019-25430

CVE-2019-25430 is a medium-severity vulnerability in Comodo Dome Firewall with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2019-19640
Weakness: CWE-79
Affected product: Comodo Dome Firewall
Published: 2026-02-19
Last modified: 2026-06-17

Description

Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the username parameter. Attackers can send POST requests to the vpn_users endpoint with script payloads in the username field to execute arbitrary JavaScript in victim browsers.

Frequently asked questions

What is CVE-2019-25430?: Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the username parameter. Attackers can send POST requests to the vpn_users endpoint with script payloads in the username field to execute arbitrary JavaScript in victim browsers.
How severe is CVE-2019-25430?: CVE-2019-25430 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-25430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-25430?: CVE-2019-25430 affects Comodo Dome Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-25430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2019-25430 have an EU (EUVD) identifier?: Yes. CVE-2019-25430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19640.
When was CVE-2019-25430 published?: CVE-2019-25430 was published on 2026-02-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:comodo:dome_firewall:2.7.0:*:*:*:*:*:*:*

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CVE-2019-25422 — High (CVSS 7.2): Comodo Dome Firewall 2.7.0 contains cross-site scripting vulnerabilities that allow attackers to inject malicious…
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CVE-2019-25405 — High (CVSS 7.2): Comodo Dome Firewall 2.7.0 contains a stored cross-site scripting vulnerability that allows attackers to inject…
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CVE-2019-25403 — Medium (CVSS 6.4): Comodo Dome Firewall 2.7.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to…
CVE-2019-25429 — Medium (CVSS 6.1): Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows attackers to inject…

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