The Windows Animated Cursor (ANI) capability in Windows NT, Windows 2000 through SP4, Windows XP through SP1, and Windows 2003 allow remote attackers to cause a denial of service via (1) the frame number set to zero, which causes an invalid memory address to be used and leads to a kernel crash, or (2) the rate number set to zero, which leads to resource exhaustion and hang.
Conclusion & alert: CVE-2004-1305 is rated High Exploit Risk (70.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 78.47%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.07% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 721 | exploit_db | edb | 2004-12-25 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-28 | 77.41% | 78.47% | +1.07% |
| 2 | 2025-12-27 | 78.47% | 77.41% | -1.07% |
| 3 | 2025-10-28 | — | 78.47% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nortel | ip_softphone_2050 | — | cpe:2.3:a:nortel:ip_softphone_2050:*:*:*:*:*:*:*:* |
| nortel | media_communication_server_5100 | 3.0 | cpe:2.3:a:nortel:media_communication_server_5100:3.0:*:*:*:*:*:*:* |
| nortel | media_communication_server_5200 | 3.0 | cpe:2.3:a:nortel:media_communication_server_5200:3.0:*:*:*:*:*:*:* |
| nortel | media_processing_server | — | cpe:2.3:a:nortel:media_processing_server:*:*:*:*:*:*:*:* |
| nortel | periphonics | — | cpe:2.3:a:nortel:periphonics:*:*:*:*:*:*:*:* |
| nortel | symposium_agent | — | cpe:2.3:a:nortel:symposium_agent:*:*:*:*:*:*:*:* |
| nortel | symposium_network_control_center | — | cpe:2.3:a:nortel:symposium_network_control_center:*:*:*:*:*:*:*:* |
| nortel | symposium_tapi_service_provider | — | cpe:2.3:a:nortel:symposium_tapi_service_provider:*:*:*:*:*:*:*:* |
| nortel | symposium_web_centre_portal | — | cpe:2.3:a:nortel:symposium_web_centre_portal:*:*:*:*:*:*:*:* |
| nortel | symposium_web_client | — | cpe:2.3:a:nortel:symposium_web_client:*:*:*:*:*:*:*:* |
| nortel | symposium_call_center_server | — | cpe:2.3:h:nortel:symposium_call_center_server:*:*:*:*:*:*:*:* |
| nortel | symposium_express_call_center | — | cpe:2.3:h:nortel:symposium_express_call_center:*:*:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise | cpe:2.3:o:microsoft:windows_2003_server:enterprise:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise_64-bit | cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:datacenter_64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | standard | cpe:2.3:o:microsoft:windows_2003_server:standard:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | web | cpe:2.3:o:microsoft:windows_2003_server:web:*:*:*:*:*:*:* |
| microsoft | windows_98 | — | cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:* |
| microsoft | windows_98se | — | cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:* |
| microsoft | windows_me | — | cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:*:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:*:workstation:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp1:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp1:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp1:terminal_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp1:workstation:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp2:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp2:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp2:terminal_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp2:workstation:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp3:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp3:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp3:terminal_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp3:workstation:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp4:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp4:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp4:terminal_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp4:workstation:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp5:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp5:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp5:terminal_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp5:workstation:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp6:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp6:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp6:terminal_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp6:workstation:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:enterprise_server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:server:*:*:*:*:* |
| microsoft | windows_nt | 4.0 | cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:workstation:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:embedded:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:gold:professional:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:64-bit:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:embedded:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:* |