CVE DATABASE / CVE-2007-5277
CVE-2007-5277
CVSS 4.3 · MEDIUM
Summary
Microsoft Internet Explorer 6 drops DNS pins based on failed connections to irrelevant TCP ports, which makes it easier for remote attackers to conduct DNS rebinding attacks, as demonstrated by a port 81 URL in an IMG SRC, when the DNS pin had been established for a session on port 80, a different issue than CVE-2006-4560.
CVSS 2.0 breakdown
| Base score | 4.3 (MEDIUM) |
| Vector | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| Attack vector | NETWORK |
| Attack complexity | MEDIUM |
| Confidentiality | NONE |
| Integrity | PARTIAL |
| Availability | NONE |
Affected products
Microsoft internet explorer
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References
Data: NIST NVD. NVD last modified 2026-04-23. Always verify against the vendor advisory before acting.