CVE-2009-3020
CVE-2009-3020 is a high-severity vulnerability in Microsoft Windows Server 2003 with a CVSS 2.0 base score of 7.1. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 2.0 base score 7.1)
- EPSS exploit prediction: 17% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows Server 2003
- Published:
- Last modified:
Description
win32k.sys in Microsoft Windows Server 2003 SP2 allows remote attackers to cause a denial of service (system crash) by referencing a crafted .eot file in the src descriptor of an @font-face Cascading Style Sheets (CSS) rule in an HTML document, possibly related to the Embedded OpenType (EOT) Font Engine, a different vulnerability than CVE-2006-0010, CVE-2009-0231, and CVE-2009-0232. NOTE: some of these details are obtained from third party information.
Frequently asked questions
- What is CVE-2009-3020?
- win32k.sys in Microsoft Windows Server 2003 SP2 allows remote attackers to cause a denial of service (system crash) by referencing a crafted .eot file in the src descriptor of an @font-face Cascading Style Sheets (CSS) rule in an HTML document, possibly related to the Embedded OpenType (EOT) Font Engine, a different vulnerability than CVE-2006-0010, CVE-2009-0231, and CVE-2009-0232. NOTE: some of these details are obtained from third party information.
- How severe is CVE-2009-3020?
- CVE-2009-3020 has a CVSS 2.0 base score of 7.1, rated high severity.
- Is CVE-2009-3020 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-3020?
- CVE-2009-3020 affects Microsoft Windows Server 2003. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2009-3020?
- 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-2009-3020 published?
- CVE-2009-3020 was published on 2009-08-31 and last updated on 2026-06-16.
References
- http://milw0rm.com/sploits/2009-wwbsod.zip
- http://secunia.com/advisories/36250
- http://www.exploit-db.com/exploits/9417
- http://www.osvdb.org/57016
- http://www.securityfocus.com/bid/36029
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52403
Affected products (1)
- cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
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