How severe is CVE-2005-1519?

CVE-2005-1519 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2005-1519 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-1519?

CVE-2005-1519 affects Squid. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-1519?

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

When was CVE-2005-1519 published?

CVE-2005-1519 was published on 2005-05-11 and last updated on 2026-06-16.

CVE-2005-1519

CVE-2005-1519 is a medium-severity vulnerability in Squid with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Squid
Published: 2005-05-11
Last modified: 2026-06-16

Description

Squid 2.5 STABLE9 and earlier, when the DNS client port is unfiltered and the environment does not prevent IP spoofing, allows remote attackers to spoof DNS lookups.

Frequently asked questions

What is CVE-2005-1519?: Squid 2.5 STABLE9 and earlier, when the DNS client port is unfiltered and the environment does not prevent IP spoofing, allows remote attackers to spoof DNS lookups.
How severe is CVE-2005-1519?: CVE-2005-1519 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2005-1519 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1519?: CVE-2005-1519 affects Squid. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-1519?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-1519 published?: CVE-2005-1519 was published on 2005-05-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*

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