IIS does not properly canonicalize URLs, potentially allowing remote attackers to bypass access restrictions in third-party software via escape characters, aka the "Escape Character Parsing" vulnerability.
1999-12-21T05:00:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv2: 6.4 (MEDIUM)
AV:N/AC:L/Au:N/C:P/I:P/A:N
10.0
4.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | microsoft | internet_information_server | 4.0 | Yes |
Application | microsoft | site_server | 3.0 | Yes |
Application | microsoft | site_server_commerce | 3.0 | Yes |