How severe is CVE-2000-0305?

CVE-2000-0305 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2000-0305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 44% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0305?

CVE-2000-0305 primarily affects Microsoft Terminal Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0305?

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-2000-0305 published?

CVE-2000-0305 was published on 2000-05-19 and last updated on 2026-06-16.

CVE-2000-0305

CVE-2000-0305 is a high-severity vulnerability in Microsoft Terminal Server with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 44% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 44% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Terminal Server
Published: 2000-05-19
Last modified: 2026-06-16

Description

Windows 95, Windows 98, Windows 2000, Windows NT 4.0, and Terminal Server systems allow a remote attacker to cause a denial of service by sending a large number of identical fragmented IP packets, aka jolt2 or the "IP Fragment Reassembly" vulnerability.

Frequently asked questions

What is CVE-2000-0305?: Windows 95, Windows 98, Windows 2000, Windows NT 4.0, and Terminal Server systems allow a remote attacker to cause a denial of service by sending a large number of identical fragmented IP packets, aka jolt2 or the "IP Fragment Reassembly" vulnerability.
How severe is CVE-2000-0305?: CVE-2000-0305 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2000-0305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 44% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0305?: CVE-2000-0305 primarily affects Microsoft Terminal Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0305?: 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-2000-0305 published?: CVE-2000-0305 was published on 2000-05-19 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:o:be:beos:5.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_95:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:terminal_server:*:*:*:*:*:*:*:*

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