CVE-2007-3898

CVE-2007-3898 is a medium-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 6.4. Its EPSS exploit-prediction score of 55% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-16.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.4)
• EPSS exploit prediction: 55% (99th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-16
• Affected product: Microsoft Windows 2000
• Published: 2007-11-14
• Last modified: 2026-06-16

Description

The DNS server in Microsoft Windows 2000 Server SP4, and Server 2003 SP1 and SP2, uses predictable transaction IDs when querying other DNS servers, which allows remote attackers to spoof DNS replies, poison the DNS cache, and facilitate further attack vectors.

Frequently asked questions

What is CVE-2007-3898?

The DNS server in Microsoft Windows 2000 Server SP4, and Server 2003 SP1 and SP2, uses predictable transaction IDs when querying other DNS servers, which allows remote attackers to spoof DNS replies, poison the DNS cache, and facilitate further attack vectors.

How severe is CVE-2007-3898?

CVE-2007-3898 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2007-3898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 55% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3898?

CVE-2007-3898 primarily affects Microsoft Windows 2000. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3898?

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

When was CVE-2007-3898 published?

CVE-2007-3898 was published on 2007-11-14 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/27584
• http://securityreason.com/securityalert/3373
• http://www.kb.cert.org/vuls/id/484649
• http://www.scanit.be/advisory-2007-11-14.html
• http://www.securityfocus.com/archive/1/483635/100/0/threaded
• http://www.securityfocus.com/archive/1/483698/100/0/threaded
• http://www.securityfocus.com/archive/1/484186/100/0/threaded
• http://www.securityfocus.com/bid/25919
• http://www.securitytracker.com/id?1018942
• http://www.trusteer.com/docs/windowsdns.html
• http://www.us-cert.gov/cas/techalerts/TA07-317A.html
• http://www.vupen.com/english/advisories/2007/3848
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-062
• https://exchange.xforce.ibmcloud.com/vulnerabilities/36805
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4395

Affected products (34)

• cpe:2.3:o:microsoft:windows_2000:*:gold:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:gold:adv_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:gold:datacenter_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:gold:srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp1:adv_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp1:datacenter_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp1:srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp2:adv_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp2:datacenter_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp2:srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp3:adv_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp3:datacenter_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp3:srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp4:adv_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp4:datacenter_srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp4:srv:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:gold:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:gold:itanium:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:gold:std:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:gold:x64:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:gold:x64-std:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:sp1:std:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:sp2:std:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:sp2:x64:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2003:*:-:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2003:*:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

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