How severe is CVE-2004-1961?

CVE-2004-1961 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2004-1961 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1961?

CVE-2004-1961 affects Protector System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-1961?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2004-1961 published?

CVE-2004-1961 was published on 2004-04-23 and last updated on 2026-06-16.

CVE-2004-1961

CVE-2004-1961 is a high-severity vulnerability in Protector System with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Protector System
Published: 2004-04-23
Last modified: 2026-06-16

Description

blocker.php in Protector System 1.15b1 allows remote attackers to bypass SQL injection protection and execute limited SQL commands via URL-encoded "'" characters ("%27").

Frequently asked questions

What is CVE-2004-1961?: blocker.php in Protector System 1.15b1 allows remote attackers to bypass SQL injection protection and execute limited SQL commands via URL-encoded "'" characters ("%27").
How severe is CVE-2004-1961?: CVE-2004-1961 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-1961 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1961?: CVE-2004-1961 affects Protector System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-1961?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-1961 published?: CVE-2004-1961 was published on 2004-04-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:protector_system:protector_system:1.15b1:*:*:*:*:*:*:*

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CVE-2004-1962 — High (CVSS 7.5): SQL injection vulnerability in index.php in Protector System 1.15b1 allows remote attackers to bypass SQL injection…
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CVE-2004-1960 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in blocker_query.php in Protector System 1.15b1 allows remote attackers to…

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