CVE-2003-1306
CVE-2003-1306 is a low-severity vulnerability with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Low (CVSS 2.0 base score 2.6)
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Published:
- Last modified:
Description
Microsoft URLScan 2.5, with the RemoveServerHeader option enabled, allows remote attackers to obtain sensitive information (server name and version) via an HTTP request that generates certain errors such as 400 "Bad Request," which leak the Server header in the response.
Frequently asked questions
- What is CVE-2003-1306?
- Microsoft URLScan 2.5, with the RemoveServerHeader option enabled, allows remote attackers to obtain sensitive information (server name and version) via an HTTP request that generates certain errors such as 400 "Bad Request," which leak the Server header in the response.
- How severe is CVE-2003-1306?
- CVE-2003-1306 has a CVSS 2.0 base score of 2.6, rated low severity.
- Is CVE-2003-1306 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2003-1306?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2003-1306 published?
- CVE-2003-1306 was published on 2003-12-31 and last updated on 2026-06-16.