How severe is CVE-2000-0405?

CVE-2000-0405 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-0405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0405?

CVE-2000-0405 primarily affects Atstake Antisniff. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0405?

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

When was CVE-2000-0405 published?

CVE-2000-0405 was published on 2000-05-16 and last updated on 2026-06-16.

CVE-2000-0405

CVE-2000-0405 is a critical-severity vulnerability in Atstake Antisniff with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Atstake Antisniff
Published: 2000-05-16
Last modified: 2026-06-16

Description

Buffer overflow in L0pht AntiSniff allows remote attackers to execute arbitrary commands via a malformed DNS response packet.

Frequently asked questions

What is CVE-2000-0405?: Buffer overflow in L0pht AntiSniff allows remote attackers to execute arbitrary commands via a malformed DNS response packet.
How severe is CVE-2000-0405?: CVE-2000-0405 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-0405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0405?: CVE-2000-0405 primarily affects Atstake Antisniff. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0405?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-0405 published?: CVE-2000-0405 was published on 2000-05-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:atstake:antisniff:1.0:*:researchers:*:*:*:*:*
cpe:2.3:a:atstake:antisniff:1.0.1:*:*:*:*:*:*:*